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题解 | #计算某字符出现次数#

import java.util.Scanner; public class Main{ public static void main(String[] args) { Scanner sc = new Scanner(System.in); String str =sc.nextLine().t...

Java

2022-03-08

0 144

题解 | #字符串最后一个单词的长度#

import java.util.Scanner; public class Main{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); String str = sc.nextLine(); ...

Java

2022-03-08

0 158

题解 | #输出某一年的各个月份的天数#加注释

import java.util.Calendar; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner console = new Scanner(Sy...

Java

2022-01-25

5 446

题解 | #求绝对值，平方根，对数，正弦值#

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner=new Scanner(System.in); double n = scanner.next...

Java

2022-01-24

3 470

题解 | #十进制数转二进制数#

import java.util.*; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int num = scanner.nextInt()...

Java

2022-01-24

2 466

题解 | #十进制数转二进制数#

import java.util.*; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int num = scanner.nextInt()...

Java

2022-01-21

1 314

题解 | #动态字符串#

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String str = scanner....

Java

2022-01-20

0 214

题解 | #单例模式的关键点#

public class Main { public static void main(String[] args) { Singleton s1 = Singleton.getInstance(); Singleton s2 = Singleton.getInstance(); ...

Java

2022-01-19

15 398

题解 | #重写父类方法#

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); while (scanne...

Java

2022-01-19

1 256

题解 | #实现接口#

import java.util.Scanner; public class Main { public static void main(String[] args) { Comparator comparator = new ComparatorImpl(); Scanner ...

Java

2022-01-19

1 478