varianttypedemo.java~7~

jbuilder2006一书的所有源代码

package variant;

public class VariantTypeDemo {

  public static void main(String[] args) {
    //定义短整型变量
    short s = 12;
    System.out.println(s);
    //定义整型变量
    int v = 1;
    System.out.println(v);
    //定义长整型变量
    long l = 10000;
    System.out.println(l);
    //定义单精度浮点小数变量
    float f = 111;
    System.out.println(f);
    //定义双精度浮点小数变量
    double d = 111.111;
    System.out.println(d);
    //定义字符变量
    char c = 'a';
    System.out.println(c);
    //定义逻辑值变量
    boolean b = true;
    System.out.println(b);

  }
}