Strin reverse in java code example
Example 1: reverse string java
// Use StringBuilder for non-thread environment, it is faster
String string="whatever";
String reverse = new StringBuilder(string).reverse().toString();
System.out.println(reverse);
Example 2: java string reverse
String rev = new StringBuilder("Your String").reverse().toString();
Example 3: string reverse in java
String str = "Hello";
String reverse(String str){
StringBuilder sb = new StringBuilder();
sb.append(str);
sb.reverse();
return sb.toString();
}
Example 4: 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]);
}
}
}
Example 5: reverse a string in java
// Not the best way i know but i wanted to challenge myself to do it this way so :)
public static String reverse(String str) {
char[] oldCharArray = str.toCharArray();
char[] newCharArray= new char[oldCharArray.length];
int currentChar = oldCharArray.length-1;
for (char c : oldCharArray) {
newCharArray[currentChar] = c;
currentChar--;
}
return new String(newCharArray);
}