閱讀下列代碼,寫出 ①②③④⑤⑥⑦⑧輸出的值
public class TestLogic{
public static void main(String[] args){
int ia = 3;
int ib = 2;
boolean b3 = (++ia == 3 && ++ib == 3);// ①
System.out.println("b3 = " + b3); //②
System.out.println("ia = " + ia); //③
System.out.println("ib = " + ib); //④
System.out.println("-------------------------------");
//第一個條件為真後,跳過第二個條件的執行
boolean b4 = (++ia == 5 || ++ib == 3);//
System.out.println("b4 = " + b4); //⑥
System.out.println("ia = " + ia); //⑦
System.out.println("ib = " + ib); //⑧
答案:
public class TestLogic{
public static void main(String[] args){
int ia = 3;
int ib = 2;
//在邏輯與第一個條件為假後,跳過第二個條件的執行
boolean b3 = (++ia == 3 && ++ib == 3);// ①
System.out.println("b3 = " + b3); //② false
System.out.println("ia = " + ia); //③ 4
System.out.println("ib = " + ib); //④ 2
System.out.println("-------------------------------");
//在邏輯或中第一個條件為真後,跳過第二個條件的執行
boolean b4 = (++ia == 5 || ++ib == 3);//⑤
System.out.println("b4 = " + b4); //⑥ true
System.out.println("ia = " + ia); //⑦ 5
System.out.println("ib = " + ib); //⑧ 2