JRE 8 rt.jar is the JAR file for JRE 8 RT (Runtime) libraries. JRE (Java Runtime) 8 is the runtime environment included in JDK 8. JRE 8 rt.jar libraries are divided into 6 packages:

com.* - Internal Oracle and Sun Microsystems libraries
java.* - Standard Java API libraries.
javax.* - Extended Java API libraries.
jdk.* -  JDK supporting libraries.
org.* - Third party libraries.
sun.* - Old libraries developed by Sun Microsystems.

JAR File Information:

Directory of C:\fyicenter\jdk-1.8.0_191\jre\lib
      63,596,151 rt.jar

Here is the list of Java classes of the com.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.

⏎ com/sun/java/swing/plaf/motif/resources/motif_zh_CN.java

package com.sun.java.swing.plaf.motif.resources;

import java.util.ListResourceBundle;

public final class motif_zh_CN extends ListResourceBundle {
    protected final Object[][] getContents() {
        return new Object[][] {
            { "FileChooser.acceptAllFileFilter.textAndMnemonic", "*" },
            { "FileChooser.cancelButton.textAndMnemonic", "\u53D6\u6D88" },
            { "FileChooser.cancelButtonToolTip.textAndMnemonic", "\u4E2D\u6B62\u6587\u4EF6\u9009\u62E9\u5668\u5BF9\u8BDD\u6846\u3002" },
            { "FileChooser.enterFileNameLabel.textAndMnemonic", "\u8F93\u5165\u6587\u4EF6\u540D(&N):" },
            { "FileChooser.enterFolderNameLabel.textAndMnemonic", "\u8F93\u5165\u6587\u4EF6\u5939\u540D:" },
            { "FileChooser.filesLabel.textAndMnemonic", "\u6587\u4EF6(&I)" },
            { "FileChooser.filterLabel.textAndMnemonic", "\u7B5B\u9009\u5668(&R)" },
            { "FileChooser.foldersLabel.textAndMnemonic", "\u6587\u4EF6\u5939(&L)" },
            { "FileChooser.helpButton.textAndMnemonic", "\u5E2E\u52A9" },
            { "FileChooser.helpButtonToolTip.textAndMnemonic", "FileChooser \u5E2E\u52A9\u3002" },
            { "FileChooser.openButton.textAndMnemonic", "\u786E\u5B9A" },
            { "FileChooser.openButtonToolTip.textAndMnemonic", "\u6253\u5F00\u6240\u9009\u6587\u4EF6\u3002" },
            { "FileChooser.openDialogTitle.textAndMnemonic", "\u6253\u5F00" },
            { "FileChooser.pathLabel.textAndMnemonic", "\u8F93\u5165\u8DEF\u5F84\u6216\u6587\u4EF6\u5939\u540D(&P):" },
            { "FileChooser.saveButton.textAndMnemonic", "\u4FDD\u5B58" },
            { "FileChooser.saveButtonToolTip.textAndMnemonic", "\u4FDD\u5B58\u6240\u9009\u6587\u4EF6\u3002" },
            { "FileChooser.saveDialogTitle.textAndMnemonic", "\u4FDD\u5B58" },
            { "FileChooser.updateButton.textAndMnemonic", "\u66F4\u65B0" },
            { "FileChooser.updateButtonToolTip.textAndMnemonic", "\u66F4\u65B0\u76EE\u5F55\u5217\u8868\u3002" },
        };
    }
}

⏎ com/sun/java/swing/plaf/motif/resources/motif_zh_CN.java

Or download all of them as a single archive file:

File name: jre-rt-com-1.8.0_191-src.zip
File size: 8099783 bytes
Release date: 2018-10-28
Download 

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