reverse string java
String string="whatever";
String reverse = new StringBuffer(string).reverse().toString();
System.out.println(reverse);reverse string java
String string="whatever";
String reverse = new StringBuffer(string).reverse().toString();
System.out.println(reverse);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);
}Reverse a string in java
// reverse a string using reverse() method of StringBuilder class
class ReverseUsingReverseMethod
{
public static void main(String[] args)
{
String str = "Hello world Java";
StringBuilder sb = new StringBuilder();
// append string to StringBuilder
sb.append(str);
sb = sb.reverse();
// printing reversed String
System.out.println(sb);
}
}java string reverse
String str = "Reverse this strings";
//for loop
for (int i = str.length() - 1; i >= 0; i--) {
System.out.print(str.charAt(i));
}
// StringBuffer for multi thread
StringBuffer sb = new StringBuffer();
sb.append(str);
System.out.print(sb.reverse().toString());
// StringBuffer for single thread
StringBuilder sb = new StringBuilder();
sb.append(str);
System.out.print(sb.reverse().toString());Reverse a string in java
// reverse a string using character array
class ReverseUsingCharacterArray
{
public static void main(String[] args)
{
String str = "HelloWorldJava";
char[] ch = str.toCharArray();
for(int a = ch.length - 1; a >= 0; a--)
System.out.print(ch[a]);
}
}Copyright © 2021 Codeinu
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