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使用Arthas jad命令反编译源代码

java 本文总阅读量次

Arthas jad命令介绍

https://alibaba.github.io/arthas/jad.html

将 JVM 中实际运行的 class 的 byte code 反编译成 java 代码

使用方法

命令格式：

1
jad class

示例：

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[arthas@30]$ jad java.lang.String

ClassLoader:

Location:


/*
 * Decompiled with CFR.
 */
package java.lang;

import java.io.ObjectStreamField;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Formatter;
import java.util.List;
import java.util.Locale;
import java.util.Objects;
import java.util.StringJoiner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public final class String
implements Serializable,
Comparable<String>,
CharSequence {
    private final char[] value;
    private int hash;
    private static final long serialVersionUID = -6849794470754667710L;
    private static final ObjectStreamField[] serialPersistentFields = new ObjectStreamField[0];
    public static final Comparator<String> CASE_INSENSITIVE_ORDER = new CaseInsensitiveComparator();

    public String(byte[] bytes, int offset, int length) {
        String.checkBounds(bytes, offset, length);
        this.value = StringCoding.decode(bytes, offset, length);
    }

    public String(byte[] bytes, Charset charset) {
        this(bytes, 0, bytes.length, charset);
    }
...
java