常用数制的输入与输出（JAVA）

/*
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*/package c2_1;/**
*
* @author pc
*/public class C2_1 {

/**
* @param args the command line arguments
*/
public static void main(String[] args) {        byte a1=0071;//八进制数
byte a2=10;//十进制数
byte a3=0x21;//十六进制数
int b1,b2,i1=4;        short c1=0x1e2;        long d=0x10ef,d1=1234567;
b1=b2=15;
System.out.println("sum="+(1+5));
System.out.print("a1=0"+Integer.toOctalString(a1)+"(八进制输出)");
System.out.print("\ta1="+a1);//按十进制输出
System.out.print("\ta2="+a2);
System.out.print("\ta3=0x"+Integer.toHexString(a3)+"(按十六进制输出)");
System.out.println("\ta3="+a3);//按十进制输出
System.out.print("i1="+Integer.toBinaryString(i1)+"(二进制输出)");
System.out.print("\ti1="+i1);
System.out.print("\tb1="+b1);
System.out.print("\tb2="+b2);
System.out.format("c1=0x"+"%x",c1);
System.out.print("\tc1="+c1);
System.out.print("\td="+d);
System.out.print("\td1="+d1);
}

}

run:sum=6a1=071(八进制输出)   a1=57   a2=10   a3=0x21(按十六进制输出)
a3=33i1=100(二进制输出)   i1=4    b1=15   b2=15c1=0x1e2   c1=482
d=4335  d1=1234567成功构建 (总时间: 1 秒)