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_TW.java

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

import java.util.ListResourceBundle;

public final class motif_zh_TW extends ListResourceBundle {
    protected final Object[][] getContents() {
        return new Object[][] {
            { "FileChooser.acceptAllFileFilter.textAndMnemonic", "*" },
            { "FileChooser.cancelButton.textAndMnemonic", "\u53D6\u6D88" },
            { "FileChooser.cancelButtonToolTip.textAndMnemonic", "\u4E2D\u6B62\u6A94\u6848\u9078\u64C7\u5668\u5C0D\u8A71\u65B9\u584A\u3002" },
            { "FileChooser.enterFileNameLabel.textAndMnemonic", "\u8F38\u5165\u6A94\u6848\u540D\u7A31(&N):" },
            { "FileChooser.enterFolderNameLabel.textAndMnemonic", "\u8F38\u5165\u8CC7\u6599\u593E\u540D\u7A31:" },
            { "FileChooser.filesLabel.textAndMnemonic", "\u6A94\u6848(&I)" },
            { "FileChooser.filterLabel.textAndMnemonic", "\u7BE9\u9078(&R)" },
            { "FileChooser.foldersLabel.textAndMnemonic", "\u8CC7\u6599\u593E(&L)" },
            { "FileChooser.helpButton.textAndMnemonic", "\u8AAA\u660E" },
            { "FileChooser.helpButtonToolTip.textAndMnemonic", "\u300C\u6A94\u6848\u9078\u64C7\u5668\u300D\u8AAA\u660E\u3002" },
            { "FileChooser.openButton.textAndMnemonic", "\u78BA\u5B9A" },
            { "FileChooser.openButtonToolTip.textAndMnemonic", "\u958B\u555F\u9078\u53D6\u7684\u6A94\u6848\u3002" },
            { "FileChooser.openDialogTitle.textAndMnemonic", "\u958B\u555F" },
            { "FileChooser.pathLabel.textAndMnemonic", "\u8F38\u5165\u8DEF\u5F91\u6216\u8CC7\u6599\u593E\u540D\u7A31(&P):" },
            { "FileChooser.saveButton.textAndMnemonic", "\u5132\u5B58" },
            { "FileChooser.saveButtonToolTip.textAndMnemonic", "\u5132\u5B58\u9078\u53D6\u7684\u6A94\u6848\u3002" },
            { "FileChooser.saveDialogTitle.textAndMnemonic", "\u5132\u5B58" },
            { "FileChooser.updateButton.textAndMnemonic", "\u66F4\u65B0" },
            { "FileChooser.updateButtonToolTip.textAndMnemonic", "\u66F4\u65B0\u76EE\u9304\u6E05\u55AE\u3002" },
        };
    }
}

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