//单选
package com.huang.boke.flowPath;
import java.util.Scanner;
public class test02 {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("请输入内容");
String s = scanner.nextLine();
//equals:判断字符串是否相等
if (s.equals("hello")) {
System.out.println(s);
}
System.out.println("end");
scanner.close();
}
}
package com.huang.boke.flowPath;
import java.util.Scanner;
public class IfTest {
//判断是否及格
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("输入成绩");
int score = scanner.nextInt();
if (score>=60){
System.out.println("及格");
}
else {
System.out.println("不及格");
}
scanner.close();
}
}
//镶嵌
package com.huang.boke.flowPath;
import java.util.Scanner;
public class IfDome {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("输入成绩");
int score = scanner.nextInt();
if (score==100){
System.out.println("s级");
}else if (score>=80 && score<=99){
System.out.println("a级");
}else if (score>=60 && score<=79){
System.out.println("b级");
}else if (score<60 && score>=0) {
System.out.println("c级");
}else {
System.out.println("无效");
}
scanner.close();
}
}