datatype.java

提供了常用的JAVA技术的示例

package datatype;

import javax.swing.*;
import java.awt.*;
import java.io.*;

public class datatype {

  public static void main(String[] args) {
    final double inch=2.54;
    final double g=9.81;
    byte  b=011;
    short s=0x1e3;
    int   i=-200000;
    long  l=0x10efl;
    char  c='c';
    float f=0.114f;
    double   d=100.3e-2;
    boolean  bf=false;
    boolean  bt=true;
    System.out.println("inch="+inch);
    System.out.println("g="+g);
    System.out.println("b="+b);
    System.out.println("s="+s);
    System.out.println("i="+i);
    System.out.println("l="+l);
    System.out.println("c="+c);
    System.out.println("f="+f);
    System.out.println("d="+d);
    System.out.println("bf="+bf);
    System.out.println("bt="+bt);

  }
}