int变成string，string变成chararray，chararray倒序遍历变回string string变回int 记得判断正负。也可以用/10的余数取数字然后再乘10加回来 例如：public String reverseSting(String inputString) { char[] inputStringArray = inputString.toCharArray();String reverseString = "";for (int i = inputStringArray.length - 1; i >= 0...
public class ReverseNum { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int num = sc.nextInt(); // System.out.println(reverse0(num)); System.out.println(reverse1(num)); System.out.println(reverse2(num)); System.out.println(reverse3(num)); } publi...
使用StringBuilder 或者 stringBuffer 的 reverse() 方法 代码语言:javascript 代码运行次数:0 运行 AI代码解释 // StringBuffer reverseStringBuffer stringBuffer=newStringBuffer();stringBuffer.append("abcdefg");System.out.println(stringBuffer.reverse());// gfedcba// 代码语言:javascript 代码运行次数:0 运行 ...
System.out.println(reverse(str));// dlroW olleH}publicstaticStringreverse(String input){if(input ==null|| input.length() <0)thrownewIllegalArgumentException("Please provide an input!");char[] result = input.toCharArray();intstartIndex=0;intendIndex=result.length -1;chartemp;for(; endIndex ...
publicbooleanequals(Object anObject){if(this==anObject){returntrue;}if(anObjectinstanceofString){String anotherString=(String)anObject;int n=value.length;if(n==anotherString.value.length){char v1[]=value;char v2[]=anotherString.value;int i=0;while(n--!=0){if(v1[i]!=v2[i])returnfa...
Reverse digits of an integer. Example1:x = 123, return 321 Example2:x = -123, return -321 1publicclassSolution {2publicintreverse(intx) {3String str=x+"";4booleanisNeg=false;5if(str.charAt(0)=='-')6{7str=str.substring(1);8isNeg=true;9}1011//System.out.println(str);12char...
Integer.Reverse(Int32) Method ทําการทดสอบ 21 พฤษภาคม – 21 มิถุนายน 2024 ลงทะเบียนตอนนี้ ปิดการแจ้งเตือน...
int[] reverseArray;//反转后的数组 int length = 0; //原始数组的长度 1. 2. 3. 方案一 使用java工具类java.util.Collections中的自带方法Collections.reverse() 以下是java.util.Collections.reverse()方法的声明 public static void reverse(List<?> list) ...
6689088 java classes_awt Focus traversal doesn't work in the reverse order / related to the SR 70175950 / CR 6684528 6670408 java classes_net testcase panics 1.5.0_12&_14 JVM when java.net.PlainSocketImpl trying to throw an exception 6707643 java classes_util_i18n (tz) Support tzdata2008c...
In the reverse situation where a system domain invokes a method from an application domain, such as when the AWT system domain calls an applet's paint method to display the applet, it is again crucial that at any time the effective access rights are the same as current rights enabled in ...