usevariable.java

有大量的java的实例

//变量说明语句
public class UseVariable
{
	public static void main(String args[])
	{
		boolean b = true;
		short si = 128;
		int i = -99;
		long l = 123456789L;
		char ch = 'J';
		char chc = '中' ;
		float f = 3.1415926F;
		double d = -1.04E-5;
		String s = "你好！";

		System.out.println("布尔型变量  b= " + b);
		System.out.println("短整型变量 si= " + si);
		System.out.println("整型变量    i= " + i);
		System.out.println("长整型变量  l= " + l);
		System.out.println("字符型变量 ch= " + ch);
		System.out.println("字符型变量 chc= " + chc);
		System.out.println("浮点型变量  f= " + f);
		System.out.println("双精度型变量d= " + d);
		System.out.println("字符型对象  s= " + s);
	}
}