package operator;
public class Demo03 {
public static void main(String[] args) {
text();
text2();
text3();
}
public static void text3(){
//位运算
/*
A = 0011 1100
B = 0000 1101
A&B(A与B) =0000 1100
A|B(A或B) =0011 1101
A^B(异或) =0011 0001 相同为0 不同为1
~B(取反) =1111 0010
2*8=16
<<(左移) *2
>>(右移) /2
0000 0000 0
0000 0001 1
0000 0010 2
0000 0011 3
0000 0100 4
0000 1000 8
0001 0000 16
* */
System.out.println("2<<3:==》"+(2<<3));
}
public static void text(){
//短路运算
int a=5;
boolean b=(a<4)&&(a++<4);
System.out.println(a);//5
System.out.println(b);//false
}
public static void text2(){
boolean a=true;
boolean b=false;
System.out.println("a && b: "+(a&&b));//false
System.out.println("a || b: "+(a||b));//true
System.out.println("!a && b: "+!(a&&b));//true
}
}