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三元运算符
public class ScannerTest {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("请输入内容:");
if(scanner.hasNextLine()){
String str=scanner.nextLine();
System.out.println("输入的内容是:"+str);
}
scanner.close();
}
}
package com.rv.java;
/**
* @author rv
* @create 2021-05-11 19:56
*/
public class KongSanJiao {
public static void main(String[] args) {
for (int i = 1; i <=5 ; i++) {
for (int j = 1; j <=5-i ; j++) {
System.out.print(" ");
}
System.out.print("*");
for (int l = 2; l <=i ; l++) {
System.out.print(" ");
}
for (int l = 3; l <=i ; l++) {
System.out.print(" ");
}
if(i==1)
System.out.print(" ");
else System.out.print("*");
// for (int k = 1; k <i ; k++) {
// System.out.print(" ");
// System.out.print("*");
// }
System.out.println();
}
}
}
原文:https://www.cnblogs.com/RenVei/p/14752544.html