Listing Private Variables and Methods with 'javap -private'

This section provides a tutorial example of how to list all private and public variables and methods of a class with 'javap' with the '-private' option.

From the previous tutorial, we learned that the default behavior of the "javap" command is to list all public variables and methods of the specified class.

If you want to list both public and private variables and methods, you can use the "javap" command with the "-private" option:

C:\herong>javap -private Circle

Compiled from ""
public class Circle extends java.lang.Object{
    public java.lang.String uom;
    private int x;
    private int y;
    private int r;
    public Circle();
    public void setRadius(int);
    public void setCenter(int, int);
    public void printRadius();
    public void printArea();
    private double getArea();

As you can see from the output, all private and public variables and methods are printed by the "javap" command.

Last update: 2015.

Table of Contents

 About This Book

 Java Tools Terminology

 Installing Java 8 on Windows

 'javac' - The Java Program Compiler

 'java' - The Java Program Launcher

 'jdb' - The Java Debugger

 'jconsole' - Java Monitoring and Management Console

 'jstat' - JVM Statistics Monitoring Tool

 JVM Troubleshooting Tools

 jvisualvm (Java VisualVM) - JVM Visual Tool

 'jar' - The JAR File Tool

'javap' - The Java Class File Disassembler

 'javap' - Java Disassembler Command and Options

 Listing Public Variables and Methods with 'javap'

Listing Private Variables and Methods with 'javap -private'

 Disassembling Java Bytecode Class Files with 'javap -c -private'

 Looking Up Method Signature with 'javap' Command

 'keytool' - Public Key Certificate Tool

 'native2ascii' - Native-to-ASCII Encoding Converter

 Outdated Tutorials


 PDF Printing Version