how to reverse a string in java
public class ReverseString { public static void main(String[] args) { String s1 = "neelendra"; for(int i=s1.length()-1;i>=0;i--) { System.out.print(s1.charAt(i)); } } }
how to reverse a string in java
public class ReverseString { public static void main(String[] args) { String s1 = "neelendra"; for(int i=s1.length()-1;i>=0;i--) { System.out.print(s1.charAt(i)); } } }
java reverse a string
// Library approach public static String solution(String str) { // StringBuilder is not thread-safe, use StringBuffer return new StringBuffer(str).reverse().toString(); } // DIY approach public static String solution(String str) { char[] chars = str.toCharArray(); for(int i = 0, j = str.length() - 1; i < j; i++, j--) { char ch = chars[i]; chars[i] = chars[j]; chars[j] = ch; } return new String(chars); }
java string reverse
String rev = new StringBuilder("Your String").reverse().toString();
reverse string array java
//java program to reverse array using for loop public class ReverseArrayDemo { public static void main(String[] args) { int[] arrNumbers = new int[]{2, 4, 6, 8, 10}; System.out.println("Given array: "); for(int a = 0; a < arrNumbers.length; a++) { System.out.print(arrNumbers[a] + " "); } System.out.println("Reverse array: "); // looping array in reverse order for(int a = arrNumbers.length - 1; a >= 0; a--) { System.out.print(arrNumbers[a] + " "); } } }
Reverse a string in java
// reverse a string using ByteArray class ReverseStringByteArray { public static void main(String[] args) { String input = "HelloWorld"; // getBytes() method to convert string into bytes[]. byte[] strByteArray = input.getBytes(); byte[] output = new byte[strByteArray.length]; // store output in reverse order for(int a = 0; a < strByteArray.length; a++) output[a] = strByteArray[strByteArray.length - a - 1]; System.out.println(new String(output)); } }
reverse string array java
import java.util.Arrays; public class ReverseStringArrayInJava { public static void main(String[] args) { String[] strHierarchy = new String[]{"Junior Developer","Senior Developer","Team Lead","Project Manager","Senior Manager","CEO"}; System.out.println("Given string array: " + Arrays.toString(strHierarchy)); for(int a = 0; a < strHierarchy.length / 2; a++) { String strTemp = strHierarchy[a]; strHierarchy[a] = strHierarchy[strHierarchy.length - a - 1]; strHierarchy[strHierarchy.length - a - 1] = strTemp; } System.out.println("Reversed string array: "); for(int a = 0; a < strHierarchy.length; a++) { System.out.println(strHierarchy[a]); } } }
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