example2_4.java

来自「书中的例题」· Java 代码 · 共 13 行

    /* 布尔类型的用法 */
    class Example2_4 { 
      public static void main(String args[]) { 
        boolean b; 
        b = false; 
        System.out.println("b is " + b); 
        b = true; 
        System.out.println("b is " + b); 
        // outcome of a relational operator is a boolean value 
         System.out.println("10 > 9 is " + (10 > 9)); 
      } 
    }