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JDK 11 java.desktop.jmod - Desktop Module
JDK 11 java.desktop.jmod is the JMOD file for JDK 11 Desktop module.
JDK 11 Desktop module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.desktop.jmod.
JDK 11 Desktop module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.
JDK 11 Desktop module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.desktop.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ java/awt/image/SinglePixelPackedSampleModel.java
/* * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ /* **************************************************************** ****************************************************************** ****************************************************************** *** COPYRIGHT (c) Eastman Kodak Company, 1997 *** As an unpublished work pursuant to Title 17 of the United *** States Code. All rights reserved. ****************************************************************** ****************************************************************** ******************************************************************/ package java.awt.image; import java.util.Arrays; /** * This class represents pixel data packed such that the N samples which make * up a single pixel are stored in a single data array element, and each data * data array element holds samples for only one pixel. * This class supports * {@link DataBuffer#TYPE_BYTE TYPE_BYTE}, * {@link DataBuffer#TYPE_USHORT TYPE_USHORT}, * {@link DataBuffer#TYPE_INT TYPE_INT} data types. * All data array elements reside * in the first bank of a DataBuffer. Accessor methods are provided so * that the image data can be manipulated directly. Scanline stride is the * number of data array elements between a given sample and the corresponding * sample in the same column of the next scanline. Bit masks are the masks * required to extract the samples representing the bands of the pixel. * Bit offsets are the offsets in bits into the data array * element of the samples representing the bands of the pixel. * <p> * The following code illustrates extracting the bits of the sample * representing band {@code b} for pixel {@code x,y} * from DataBuffer {@code data}: * <pre>{@code * int sample = data.getElem(y * scanlineStride + x); * sample = (sample & bitMasks[b]) >>> bitOffsets[b]; * }</pre> */ public class SinglePixelPackedSampleModel extends SampleModel { /** Bit masks for all bands of the image data. */ private int bitMasks[]; /** Bit Offsets for all bands of the image data. */ private int bitOffsets[]; /** Bit sizes for all the bands of the image data. */ private int bitSizes[]; /** Maximum bit size. */ private int maxBitSize; /** Line stride of the region of image data described by this * SinglePixelPackedSampleModel. */ private int scanlineStride; private static native void initIDs(); static { ColorModel.loadLibraries(); initIDs(); } /** * Constructs a SinglePixelPackedSampleModel with bitMasks.length bands. * Each sample is stored in a data array element in the position of * its corresponding bit mask. Each bit mask must be contiguous and * masks must not overlap. Bit masks exceeding data type capacity are * truncated. * @param dataType The data type for storing samples. * @param w The width (in pixels) of the region of the * image data described. * @param h The height (in pixels) of the region of the * image data described. * @param bitMasks The bit masks for all bands. * @throws IllegalArgumentException if {@code dataType} is not * either {@code DataBuffer.TYPE_BYTE}, * {@code DataBuffer.TYPE_USHORT}, or * {@code DataBuffer.TYPE_INT} */ public SinglePixelPackedSampleModel(int dataType, int w, int h, int bitMasks[]) { this(dataType, w, h, w, bitMasks); if (dataType != DataBuffer.TYPE_BYTE && dataType != DataBuffer.TYPE_USHORT && dataType != DataBuffer.TYPE_INT) { throw new IllegalArgumentException("Unsupported data type "+ dataType); } } /** * Constructs a SinglePixelPackedSampleModel with bitMasks.length bands * and a scanline stride equal to scanlineStride data array elements. * Each sample is stored in a data array element in the position of * its corresponding bit mask. Each bit mask must be contiguous and * masks must not overlap. Bit masks exceeding data type capacity are * truncated. * @param dataType The data type for storing samples. * @param w The width (in pixels) of the region of * image data described. * @param h The height (in pixels) of the region of * image data described. * @param scanlineStride The line stride of the image data. * @param bitMasks The bit masks for all bands. * @throws IllegalArgumentException if {@code w} or * {@code h} is not greater than 0 * @throws IllegalArgumentException if any mask in * {@code bitMask} is not contiguous * @throws IllegalArgumentException if {@code dataType} is not * either {@code DataBuffer.TYPE_BYTE}, * {@code DataBuffer.TYPE_USHORT}, or * {@code DataBuffer.TYPE_INT} */ public SinglePixelPackedSampleModel(int dataType, int w, int h, int scanlineStride, int bitMasks[]) { super(dataType, w, h, bitMasks.length); if (dataType != DataBuffer.TYPE_BYTE && dataType != DataBuffer.TYPE_USHORT && dataType != DataBuffer.TYPE_INT) { throw new IllegalArgumentException("Unsupported data type "+ dataType); } this.dataType = dataType; this.bitMasks = bitMasks.clone(); this.scanlineStride = scanlineStride; this.bitOffsets = new int[numBands]; this.bitSizes = new int[numBands]; int maxMask = (int)((1L << DataBuffer.getDataTypeSize(dataType)) - 1); this.maxBitSize = 0; for (int i=0; i<numBands; i++) { int bitOffset = 0, bitSize = 0, mask; this.bitMasks[i] &= maxMask; mask = this.bitMasks[i]; if (mask != 0) { while ((mask & 1) == 0) { mask = mask >>> 1; bitOffset++; } while ((mask & 1) == 1) { mask = mask >>> 1; bitSize++; } if (mask != 0) { throw new IllegalArgumentException("Mask "+bitMasks[i]+ " must be contiguous"); } } bitOffsets[i] = bitOffset; bitSizes[i] = bitSize; if (bitSize > maxBitSize) { maxBitSize = bitSize; } } } /** * Returns the number of data elements needed to transfer one pixel * via the getDataElements and setDataElements methods. * For a SinglePixelPackedSampleModel, this is one. */ public int getNumDataElements() { return 1; } /** * Returns the size of the buffer (in data array elements) * needed for a data buffer that matches this * SinglePixelPackedSampleModel. */ private long getBufferSize() { long size = scanlineStride * (height-1) + width; return size; } /** * Creates a new SinglePixelPackedSampleModel with the specified * width and height. The new SinglePixelPackedSampleModel will have the * same storage data type and bit masks as this * SinglePixelPackedSampleModel. * @param w the width of the resulting {@code SampleModel} * @param h the height of the resulting {@code SampleModel} * @return a {@code SinglePixelPackedSampleModel} with the * specified width and height. * @throws IllegalArgumentException if {@code w} or * {@code h} is not greater than 0 */ public SampleModel createCompatibleSampleModel(int w, int h) { SampleModel sampleModel = new SinglePixelPackedSampleModel(dataType, w, h, bitMasks); return sampleModel; } /** * Creates a DataBuffer that corresponds to this * SinglePixelPackedSampleModel. The DataBuffer's data type and size * will be consistent with this SinglePixelPackedSampleModel. The * DataBuffer will have a single bank. */ public DataBuffer createDataBuffer() { DataBuffer dataBuffer = null; int size = (int)getBufferSize(); switch (dataType) { case DataBuffer.TYPE_BYTE: dataBuffer = new DataBufferByte(size); break; case DataBuffer.TYPE_USHORT: dataBuffer = new DataBufferUShort(size); break; case DataBuffer.TYPE_INT: dataBuffer = new DataBufferInt(size); break; } return dataBuffer; } /** Returns the number of bits per sample for all bands. */ public int[] getSampleSize() { return bitSizes.clone(); } /** Returns the number of bits per sample for the specified band. */ public int getSampleSize(int band) { return bitSizes[band]; } /** Returns the offset (in data array elements) of pixel (x,y). * The data element containing pixel {@code x,y} * can be retrieved from a DataBuffer {@code data} with a * SinglePixelPackedSampleModel {@code sppsm} as: * <pre> * data.getElem(sppsm.getOffset(x, y)); * </pre> * @param x the X coordinate of the specified pixel * @param y the Y coordinate of the specified pixel * @return the offset of the specified pixel. */ public int getOffset(int x, int y) { int offset = y * scanlineStride + x; return offset; } /** Returns the bit offsets into the data array element representing * a pixel for all bands. * @return the bit offsets representing a pixel for all bands. */ public int [] getBitOffsets() { return bitOffsets.clone(); } /** Returns the bit masks for all bands. * @return the bit masks for all bands. */ public int [] getBitMasks() { return bitMasks.clone(); } /** Returns the scanline stride of this SinglePixelPackedSampleModel. * @return the scanline stride of this * {@code SinglePixelPackedSampleModel}. */ public int getScanlineStride() { return scanlineStride; } /** * This creates a new SinglePixelPackedSampleModel with a subset of the * bands of this SinglePixelPackedSampleModel. The new * SinglePixelPackedSampleModel can be used with any DataBuffer that the * existing SinglePixelPackedSampleModel can be used with. The new * SinglePixelPackedSampleModel/DataBuffer combination will represent * an image with a subset of the bands of the original * SinglePixelPackedSampleModel/DataBuffer combination. * @exception RasterFormatException if the length of the bands argument is * greater than the number of bands in * the sample model. */ public SampleModel createSubsetSampleModel(int bands[]) { if (bands.length > numBands) throw new RasterFormatException("There are only " + numBands + " bands"); int newBitMasks[] = new int[bands.length]; for (int i=0; i<bands.length; i++) newBitMasks[i] = bitMasks[bands[i]]; return new SinglePixelPackedSampleModel(this.dataType, width, height, this.scanlineStride, newBitMasks); } /** * Returns data for a single pixel in a primitive array of type * TransferType. For a SinglePixelPackedSampleModel, the array will * have one element, and the type will be the same as the storage * data type. Generally, obj * should be passed in as null, so that the Object will be created * automatically and will be of the right primitive data type. * <p> * The following code illustrates transferring data for one pixel from * DataBuffer {@code db1}, whose storage layout is described by * SinglePixelPackedSampleModel {@code sppsm1}, to * DataBuffer {@code db2}, whose storage layout is described by * SinglePixelPackedSampleModel {@code sppsm2}. * The transfer will generally be more efficient than using * getPixel/setPixel. * <pre> * SinglePixelPackedSampleModel sppsm1, sppsm2; * DataBufferInt db1, db2; * sppsm2.setDataElements(x, y, sppsm1.getDataElements(x, y, null, * db1), db2); * </pre> * Using getDataElements/setDataElements to transfer between two * DataBuffer/SampleModel pairs is legitimate if the SampleModels have * the same number of bands, corresponding bands have the same number of * bits per sample, and the TransferTypes are the same. * <p> * If obj is non-null, it should be a primitive array of type TransferType. * Otherwise, a ClassCastException is thrown. An * ArrayIndexOutOfBoundsException may be thrown if the coordinates are * not in bounds, or if obj is non-null and is not large enough to hold * the pixel data. * @param x The X coordinate of the pixel location. * @param y The Y coordinate of the pixel location. * @param obj If non-null, a primitive array in which to return * the pixel data. * @param data The DataBuffer containing the image data. * @return the data for the specified pixel. * @see #setDataElements(int, int, Object, DataBuffer) */ public Object getDataElements(int x, int y, Object obj, DataBuffer data) { // Bounds check for 'b' will be performed automatically if ((x < 0) || (y < 0) || (x >= width) || (y >= height)) { throw new ArrayIndexOutOfBoundsException ("Coordinate out of bounds!"); } int type = getTransferType(); switch(type) { case DataBuffer.TYPE_BYTE: byte[] bdata; if (obj == null) bdata = new byte[1]; else bdata = (byte[])obj; bdata[0] = (byte)data.getElem(y * scanlineStride + x); obj = (Object)bdata; break; case DataBuffer.TYPE_USHORT: short[] sdata; if (obj == null) sdata = new short[1]; else sdata = (short[])obj; sdata[0] = (short)data.getElem(y * scanlineStride + x); obj = (Object)sdata; break; case DataBuffer.TYPE_INT: int[] idata; if (obj == null) idata = new int[1]; else idata = (int[])obj; idata[0] = data.getElem(y * scanlineStride + x); obj = (Object)idata; break; } return obj; } /** * Returns all samples in for the specified pixel in an int array. * ArrayIndexOutOfBoundsException may be thrown if the coordinates are * not in bounds. * @param x The X coordinate of the pixel location. * @param y The Y coordinate of the pixel location. * @param iArray If non-null, returns the samples in this array * @param data The DataBuffer containing the image data. * @return all samples for the specified pixel. * @see #setPixel(int, int, int[], DataBuffer) */ public int [] getPixel(int x, int y, int iArray[], DataBuffer data) { if ((x < 0) || (y < 0) || (x >= width) || (y >= height)) { throw new ArrayIndexOutOfBoundsException ("Coordinate out of bounds!"); } int pixels[]; if (iArray == null) { pixels = new int [numBands]; } else { pixels = iArray; } int value = data.getElem(y * scanlineStride + x); for (int i=0; i<numBands; i++) { pixels[i] = (value & bitMasks[i]) >>> bitOffsets[i]; } return pixels; } /** * Returns all samples for the specified rectangle of pixels in * an int array, one sample per array element. * ArrayIndexOutOfBoundsException may be thrown if the coordinates are * not in bounds. * @param x The X coordinate of the upper left pixel location. * @param y The Y coordinate of the upper left pixel location. * @param w The width of the pixel rectangle. * @param h The height of the pixel rectangle. * @param iArray If non-null, returns the samples in this array. * @param data The DataBuffer containing the image data. * @return all samples for the specified region of pixels. * @see #setPixels(int, int, int, int, int[], DataBuffer) */ public int[] getPixels(int x, int y, int w, int h, int iArray[], DataBuffer data) { int x1 = x + w; int y1 = y + h; if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || y < 0 || y >= height || h > height || y1 < 0 || y1 > height) { throw new ArrayIndexOutOfBoundsException ("Coordinate out of bounds!"); } int pixels[]; if (iArray != null) { pixels = iArray; } else { pixels = new int [w*h*numBands]; } int lineOffset = y*scanlineStride + x; int dstOffset = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { int value = data.getElem(lineOffset+j); for (int k=0; k < numBands; k++) { pixels[dstOffset++] = ((value & bitMasks[k]) >>> bitOffsets[k]); } } lineOffset += scanlineStride; } return pixels; } /** * Returns as int the sample in a specified band for the pixel * located at (x,y). * ArrayIndexOutOfBoundsException may be thrown if the coordinates are * not in bounds. * @param x The X coordinate of the pixel location. * @param y The Y coordinate of the pixel location. * @param b The band to return. * @param data The DataBuffer containing the image data. * @return the sample in a specified band for the specified * pixel. * @see #setSample(int, int, int, int, DataBuffer) */ public int getSample(int x, int y, int b, DataBuffer data) { // Bounds check for 'b' will be performed automatically if ((x < 0) || (y < 0) || (x >= width) || (y >= height)) { throw new ArrayIndexOutOfBoundsException ("Coordinate out of bounds!"); } int sample = data.getElem(y * scanlineStride + x); return ((sample & bitMasks[b]) >>> bitOffsets[b]); } /** * Returns the samples for a specified band for the specified rectangle * of pixels in an int array, one sample per array element. * ArrayIndexOutOfBoundsException may be thrown if the coordinates are * not in bounds. * @param x The X coordinate of the upper left pixel location. * @param y The Y coordinate of the upper left pixel location. * @param w The width of the pixel rectangle. * @param h The height of the pixel rectangle. * @param b The band to return. * @param iArray If non-null, returns the samples in this array. * @param data The DataBuffer containing the image data. * @return the samples for the specified band for the specified * region of pixels. * @see #setSamples(int, int, int, int, int, int[], DataBuffer) */ public int[] getSamples(int x, int y, int w, int h, int b, int iArray[], DataBuffer data) { // Bounds check for 'b' will be performed automatically if ((x < 0) || (y < 0) || (x + w > width) || (y + h > height)) { throw new ArrayIndexOutOfBoundsException ("Coordinate out of bounds!"); } int samples[]; if (iArray != null) { samples = iArray; } else { samples = new int [w*h]; } int lineOffset = y*scanlineStride + x; int dstOffset = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { int value = data.getElem(lineOffset+j); samples[dstOffset++] = ((value & bitMasks[b]) >>> bitOffsets[b]); } lineOffset += scanlineStride; } return samples; } /** * Sets the data for a single pixel in the specified DataBuffer from a * primitive array of type TransferType. For a * SinglePixelPackedSampleModel, only the first element of the array * will hold valid data, and the type of the array must be the same as * the storage data type of the SinglePixelPackedSampleModel. * <p> * The following code illustrates transferring data for one pixel from * DataBuffer {@code db1}, whose storage layout is described by * SinglePixelPackedSampleModel {@code sppsm1}, * to DataBuffer {@code db2}, whose storage layout is described by * SinglePixelPackedSampleModel {@code sppsm2}. * The transfer will generally be more efficient than using * getPixel/setPixel. * <pre> * SinglePixelPackedSampleModel sppsm1, sppsm2; * DataBufferInt db1, db2; * sppsm2.setDataElements(x, y, sppsm1.getDataElements(x, y, null, * db1), db2); * </pre> * Using getDataElements/setDataElements to transfer between two * DataBuffer/SampleModel pairs is legitimate if the SampleModels have * the same number of bands, corresponding bands have the same number of * bits per sample, and the TransferTypes are the same. * <p> * obj must be a primitive array of type TransferType. Otherwise, * a ClassCastException is thrown. An * ArrayIndexOutOfBoundsException may be thrown if the coordinates are * not in bounds, or if obj is not large enough to hold the pixel data. * @param x The X coordinate of the pixel location. * @param y The Y coordinate of the pixel location. * @param obj A primitive array containing pixel data. * @param data The DataBuffer containing the image data. * @see #getDataElements(int, int, Object, DataBuffer) */ public void setDataElements(int x, int y, Object obj, DataBuffer data) { if ((x < 0) || (y < 0) || (x >= width) || (y >= height)) { throw new ArrayIndexOutOfBoundsException ("Coordinate out of bounds!"); } int type = getTransferType(); switch(type) { case DataBuffer.TYPE_BYTE: byte[] barray = (byte[])obj; data.setElem(y*scanlineStride+x, ((int)barray[0])&0xff); break; case DataBuffer.TYPE_USHORT: short[] sarray = (short[])obj; data.setElem(y*scanlineStride+x, ((int)sarray[0])&0xffff); break; case DataBuffer.TYPE_INT: int[] iarray = (int[])obj; data.setElem(y*scanlineStride+x, iarray[0]); break; } } /** * Sets a pixel in the DataBuffer using an int array of samples for input. * ArrayIndexOutOfBoundsException may be thrown if the coordinates are * not in bounds. * @param x The X coordinate of the pixel location. * @param y The Y coordinate of the pixel location. * @param iArray The input samples in an int array. * @param data The DataBuffer containing the image data. * @see #getPixel(int, int, int[], DataBuffer) */ public void setPixel(int x, int y, int iArray[], DataBuffer data) { if ((x < 0) || (y < 0) || (x >= width) || (y >= height)) { throw new ArrayIndexOutOfBoundsException ("Coordinate out of bounds!"); } int lineOffset = y * scanlineStride + x; int value = data.getElem(lineOffset); for (int i=0; i < numBands; i++) { value &= ~bitMasks[i]; value |= ((iArray[i] << bitOffsets[i]) & bitMasks[i]); } data.setElem(lineOffset, value); } /** * Sets all samples for a rectangle of pixels from an int array containing * one sample per array element. * ArrayIndexOutOfBoundsException may be thrown if the coordinates are * not in bounds. * @param x The X coordinate of the upper left pixel location. * @param y The Y coordinate of the upper left pixel location. * @param w The width of the pixel rectangle. * @param h The height of the pixel rectangle. * @param iArray The input samples in an int array. * @param data The DataBuffer containing the image data. * @see #getPixels(int, int, int, int, int[], DataBuffer) */ public void setPixels(int x, int y, int w, int h, int iArray[], DataBuffer data) { int x1 = x + w; int y1 = y + h; if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || y < 0 || y >= height || h > height || y1 < 0 || y1 > height) { throw new ArrayIndexOutOfBoundsException ("Coordinate out of bounds!"); } int lineOffset = y*scanlineStride + x; int srcOffset = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { int value = data.getElem(lineOffset+j); for (int k=0; k < numBands; k++) { value &= ~bitMasks[k]; int srcValue = iArray[srcOffset++]; value |= ((srcValue << bitOffsets[k]) & bitMasks[k]); } data.setElem(lineOffset+j, value); } lineOffset += scanlineStride; } } /** * Sets a sample in the specified band for the pixel located at (x,y) * in the DataBuffer using an int for input. * ArrayIndexOutOfBoundsException may be thrown if the coordinates are * not in bounds. * @param x The X coordinate of the pixel location. * @param y The Y coordinate of the pixel location. * @param b The band to set. * @param s The input sample as an int. * @param data The DataBuffer containing the image data. * @see #getSample(int, int, int, DataBuffer) */ public void setSample(int x, int y, int b, int s, DataBuffer data) { // Bounds check for 'b' will be performed automatically if ((x < 0) || (y < 0) || (x >= width) || (y >= height)) { throw new ArrayIndexOutOfBoundsException ("Coordinate out of bounds!"); } int value = data.getElem(y*scanlineStride + x); value &= ~bitMasks[b]; value |= (s << bitOffsets[b]) & bitMasks[b]; data.setElem(y*scanlineStride + x,value); } /** * Sets the samples in the specified band for the specified rectangle * of pixels from an int array containing one sample per array element. * ArrayIndexOutOfBoundsException may be thrown if the coordinates are * not in bounds. * @param x The X coordinate of the upper left pixel location. * @param y The Y coordinate of the upper left pixel location. * @param w The width of the pixel rectangle. * @param h The height of the pixel rectangle. * @param b The band to set. * @param iArray The input samples in an int array. * @param data The DataBuffer containing the image data. * @see #getSamples(int, int, int, int, int, int[], DataBuffer) */ public void setSamples(int x, int y, int w, int h, int b, int iArray[], DataBuffer data) { // Bounds check for 'b' will be performed automatically if ((x < 0) || (y < 0) || (x + w > width) || (y + h > height)) { throw new ArrayIndexOutOfBoundsException ("Coordinate out of bounds!"); } int lineOffset = y*scanlineStride + x; int srcOffset = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { int value = data.getElem(lineOffset+j); value &= ~bitMasks[b]; int sample = iArray[srcOffset++]; value |= (sample << bitOffsets[b]) & bitMasks[b]; data.setElem(lineOffset+j,value); } lineOffset += scanlineStride; } } public boolean equals(Object o) { if ((o == null) || !(o instanceof SinglePixelPackedSampleModel)) { return false; } SinglePixelPackedSampleModel that = (SinglePixelPackedSampleModel)o; return this.width == that.width && this.height == that.height && this.numBands == that.numBands && this.dataType == that.dataType && Arrays.equals(this.bitMasks, that.bitMasks) && Arrays.equals(this.bitOffsets, that.bitOffsets) && Arrays.equals(this.bitSizes, that.bitSizes) && this.maxBitSize == that.maxBitSize && this.scanlineStride == that.scanlineStride; } // If we implement equals() we must also implement hashCode public int hashCode() { int hash = 0; hash = width; hash <<= 8; hash ^= height; hash <<= 8; hash ^= numBands; hash <<= 8; hash ^= dataType; hash <<= 8; for (int i = 0; i < bitMasks.length; i++) { hash ^= bitMasks[i]; hash <<= 8; } for (int i = 0; i < bitOffsets.length; i++) { hash ^= bitOffsets[i]; hash <<= 8; } for (int i = 0; i < bitSizes.length; i++) { hash ^= bitSizes[i]; hash <<= 8; } hash ^= maxBitSize; hash <<= 8; hash ^= scanlineStride; return hash; } }
⏎ java/awt/image/SinglePixelPackedSampleModel.java
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File name: java.desktop-11.0.1-src.zip File size: 7974380 bytes Release date: 2018-11-04 Download
⇒ JDK 11 java.instrument.jmod - Instrument Module
2022-08-06, 193811👍, 5💬
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