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题解 | #判断素数个数#

public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int start = scanner.nextInt...

Java

2021-11-08

1 496

题解 | #创建单例对象#

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

Java

2021-11-08

0 378

题解 | #判断各类型字符个数#

public class Main { public static void main(String[] args) { int numbers = 0; int words = 0; int space = 0; int ot...

Java

2021-11-08

0 377

题解 | #日期换算#

import java.text.SimpleDateFormat; import java.util.Date; import java.util.Scanner; public class Main { public static void main(String[] args) th...

Java

2021-11-08

0 415

题解 | #集合排序#

import java.util.Collections; import java.util.List; import java.util.Scanner; public class Main { public static void main(String[] args) { ...

Java

2021-11-07

1 613

题解 | #字符串去重#

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

Java

2021-11-07

0 463

题解 | #排队系统#

public class Main { public static void main(String[] args) { Guest guest1 = new Guest("小明",false); Guest guest2 = new Guest("小军",f...

Java

2021-11-07

0 512

题解 | #首尾交替出队#

import java.util.Scanner; public class Main { public static void main(String[] args) { ArrayDeque deque = new ArrayDeque(); Sca...

Java

2021-11-07

0 533

题解 | #求绝对值，平方根，对数，正弦值#

public class Main { public static void main(String[] args) { Scanner scanner=new Scanner(System.in); double num = scanner.nextDoub...

Java

2021-11-07

0 311

题解 | #实现抽象方法#

public class Main { public static void main(String[] args) { // Sub是需要你定义的子类 Base base = new Sub(); Scanner scanner = ne...

Java

2021-11-07

0 398