Java 二进制，八进制，十进制，十六进制之间的相互转换

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package com.sjd.JinzhiZhuanhuan;

public class JinzhiZhuanhuan {

    //二进制转八，十，十六进制---开始
    public void fromBinaryToOctalSting(String str1) {
        String result=Integer.toOctalString(Integer.parseInt(str1, 2));
        System.out.println(str1+"的八进制："+result);
    }
    public void fromBinaryToInt(String str1) {
        String result=Integer.valueOf(str1,2).toString();
        System.out.println(str1+"的十进制："+result);
    }
    public void fromBinaryToHexString(String str1) {
        String result=Integer.toHexString(Integer.parseInt(str1, 2));
        System.out.println(str1+"的十六进制："+result);
    }
    //二进制转八，十，十六进制---结束

    //八进制转二，十，十六进制---开始
    public void fromOctalToBinaryString(String str2) {
        String result=Integer.toBinaryString(Integer.valueOf(str2,8));
        System.out.println(str2+"的二进制："+result);
    }
    public void fromOctalToInt(String str2) {
        String result=Integer.valueOf(str2,8).toString();
        System.out.println(str2+"的十进制："+result);
    }
    public void fromOctalToHexString(String str2) {
        String result=Integer.toHexString(Integer.valueOf(str2,8));
        System.out.println(str2+"的十六进制："+result);
    }
    //八进制转二，十，十六进制---结束

    //十进制转二，八，十六进制---开始
    public void fromIntToBinaryString(int num) {
        String result = Integer.toBinaryString(num);
        System.out.println(num+"的二进制："+result);
    }
    public void fromIntToOctalString(int num) {
        String result = Integer.toOctalString(num);
        System.out.println(num+"的八进制："+result);
    }
    public void fromIntToHexString(int num) {
        String result = Integer.toHexString(num);
        System.out.println(num+"的十六进制："+result);
    }
    //十进制转二，八，十六进制---结束

    //十六进制转二，八，十进制---开始
    public void fromHexToBinaryString(String str3) {
        String result=Integer.toBinaryString(Integer.valueOf(str3,16));
        System.out.println(str3+"的十六进制："+result);
    }
    public void fromHexToOctalString(String str3) {
        String result=Integer.toOctalString(Integer.valueOf(str3,16));
        System.out.println(str3+"的十六进制："+result);
    }
    public void fromHexToInt(String str3) {
        String result=Integer.valueOf(str3,16).toString();
        System.out.println(str3+"的十六进制："+result);
    }
    //十六进制转二，八，十进制---结束

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        JinzhiZhuanhuan jzzh = new JinzhiZhuanhuan();

        System.out.println("二进制转八，十，十六进制");
        String str1 = "1010";
        jzzh.fromBinaryToOctalSting(str1);
        jzzh.fromBinaryToInt(str1);
        jzzh.fromBinaryToHexString(str1);
        System.out.println();

        System.out.println("八进制转二，十，十六进制");
        String str2 = "234";
        jzzh.fromOctalToBinaryString(str2);
        jzzh.fromOctalToInt(str2);
        jzzh.fromOctalToHexString(str2);
        System.out.println();

        System.out.println("十进制转二，八，十六进制");
        int num=10;
        jzzh.fromIntToBinaryString(num);
        jzzh.fromIntToOctalString(num);
        jzzh.fromIntToHexString(num);
        System.out.println();

        System.out.println("十六进制转二，八，十进制");
        String str3 = "FFFF";
        jzzh.fromHexToBinaryString(str3);
        jzzh.fromHexToOctalString(str3);
        jzzh.fromHexToInt(str3);
        System.out.println();
    }

}