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Java基础练习题

136篇文章 529人学习

全部文章（共123篇）

题解 | #缩短二进制# 来自专栏

public static void main(String[] args) { int i = 1234; System.out.printf("%#o %#X",i,i); //System.out.printf("0%0 0X%X", i, i)...

Java

2022-04-05

0 352

题解 | #十六进制转十进制# 来自专栏

public static void main(String[] args) { System.out.printf("%15d",Integer.parseInt("ABCDEF",16)); } }

Java

2022-04-05

0 290

题解 | #大小写转换# 来自专栏

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

Java

2022-04-05

0 283

题解 | #按照格式输入并输出# 来自专栏

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

Java

2022-04-04

0 289

题解 | #出生日期输入输出# 来自专栏

看题解才了解到substring这个方法 public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); Strin...

Java

2022-04-04

0 257

题解 | #成绩输入输出# 来自专栏

public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); //用数组存放这三科的成绩 int[]...

Java

2022-04-04

8 380

题解 | #实现四舍五入# 来自专栏

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

Java

2022-04-04

1 300

题解 | #字符转ASCII码# 来自专栏

public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); //输入字符 char zf = sc...

Java

2022-04-04

2 432

题解 | #牛牛的字符棱形# 来自专栏

public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); //输入要打印的字符 c...

Java

2022-04-04

8 514

题解 | #牛牛的字符矩形# 来自专栏

public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); char zf = scanner.next().ch...

Java

2022-04-04

0 261