TLAČ REŤAZEC V OPAČNOM PORADÍ, JAVA
Príklady kódu
N
// Use StringBuilder for non-thread environment, it is faster
String string="whatever";
String reverse = new StringBuilder(string).reverse().toString();
System.out.println(reverse);N
// Reverse a string in java without using reverse function
import java.util.Scanner;
public class ReverseWithoutFunction
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
System.out.println("Please enter a string: ");
String strInput = sc.nextLine();
int len = strInput.length();
String strReverse = "";
System.out.println("Reverse a string without using reverse function: ");
for(int a = len - 1; a >= 0; a--)
{
strReverse = strReverse + strInput.charAt(a);
}
System.out.println(strReverse);
sc.close();
}
}N
// 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]);
}
}Podobné stránky
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