操作符总结

public class Hello
{
    public static int num = 3;
    
    public static void main(String[] args)
    {
        //System.out.println("Hello World");
        
        //System.out.println(num);
        
        //int i = 3;
                
        //int j = i++; 
        
        //System.out.println(j);
        
        //int m = 3;
        
        //int n = ++m;
        
        //System.out.println(n);
        
        //boolean f = true && false;
        
        /*
            ----------------------------------------------
            以下案例说明，程序会进行短路效果判断.
            前面
        */
        //短路操作案例
        int i = 10;
        
        boolean f = false && (++i > 9);
        
        System.out.println(i);
        
        boolean f1 = false && false;
        
        System.out.println(f1);
        
        // || 运算符，前后两端的运算因子，只要有一个为true，整个运算结果都为true.
        
        boolean a1 = true;
        
        boolean a2 = false;
        
        boolean a3 = a1 || a2;
        
        System.out.println("a1 || a2\t=" + a3);
        
        // &运算
        byte bt1 = 0;
        byte bt2 = 10;
        System.out.println("bt1&bt2\t=" + (bt1&bt2));
        
        //& | ^运算
        System.out.println("---------------------------------");
        
        byte bt3 = 123;
        byte bt4 = 50;
        System.out.println("bt3&bt4="+(bt3&bt4));
        System.out.println("bt3|bt4="+(bt3|bt4));
        System.out.println("bt4^bt4="+(bt3^bt4));
                

        System.out.println("<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>");
        char x = ‘e‘;
        int i_0 = 0;
        System.out.println(true?x:0);
        System.out.println(true?x:9999999);//e
                
        System.out.println(false?i_0:x);//101
        
        /*
            
        */
    }
}