java.reverse code example
Example 1: 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]);
}
}
Example 2: 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);
}
}