public long aaaa(){
}
public int aaaa(){
}
public void test1(){} test1()V
public void test2(String str) test2(Ljava/lang/String;)V
public int test3(){} test3()I
| 特殊字符 | 数据类型 | 特殊说明 |
|---|---|---|
| V | void | 一般用于表示方法的返回值 |
| Z | boolean | |
| B | byte | |
| C | char | |
| S | short | |
| I | int | |
| J | long | |
| F | float | |
| D | double | |
| [ | 数组 | 以[开头,配合其他的特殊字符,表示对应数据类型的数组,几个[表示几维数组 |
| L | 全类名; | 引用类型 以 L 开头 ; 结尾,中间是引用类型的全类名 |
$ javap -s java.lang.String
Compiled from "String.java"
public final class java.lang.String extends java.lang.Object implements java.io.Serializable,java.lang.Comparable,java.lang.CharSequence{
public static final java.util.Comparator CASE_INSENSITIVE_ORDER;
Signature: Ljava/util/Comparator;
public java.lang.String();
Signature: ()V
public java.lang.String(java.lang.String);
Signature: (Ljava/lang/String;)V
public java.lang.String(char[]);
Signature: ([C)V
public java.lang.String(char[], int, int);
Signature: ([CII)V
public java.lang.String(int[], int, int);
Signature: ([III)V
public java.lang.String(byte[], int, int, int);
Signature: ([BIII)V
public java.lang.String(byte[], int);
Signature: ([BI)V
public java.lang.String(byte[], int, int, java.lang.String) throws java.io.UnsupportedEncodingException;
Signature: ([BIILjava/lang/String;)V
public java.lang.String(byte[], int, int, java.nio.charset.Charset);
Signature: ([BIILjava/nio/charset/Charset;)V
public java.lang.String(byte[], java.lang.String) throws java.io.UnsupportedEncodingException;
Signature: ([BLjava/lang/String;)V
public java.lang.String(byte[], java.nio.charset.Charset);
Signature: ([BLjava/nio/charset/Charset;)V
public java.lang.String(byte[], int, int);
Signature: ([BII)V
...
package com.demo;
public class SigTest {
public static final String name = null;
public int getName(int[] data,long index) {
return 0;
}
}
$ javac SigTest.java
$ javap -s -p com.demo.SigTest
Compiled from "SigTest.java"
public class com.demo.SigTest extends java.lang.Object{
public static final java.lang.String name;
Signature: Ljava/lang/String;
public com.demo.SigTest();
Signature: ()V
public int getName(int[], long);
Signature: ([IJ)I
static {};
Signature: ()V
}
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