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Java Program to Iterate through each characters of the string.

Java Program to Iterate through each characters of the string.

In this tutorial, we will learn to iterate through each characters of the string.

To understand this example, you should have the knowledge of the following Java programming topics:


Example 1: Loop through each character of a string using for loop

class Main {
  public static void main(String[] args) {

    // create a string
    String name = "Programiz";

    System.out.println("Characters in " + name + " are:");

    // loop through each element
    for(int i = 0; i<name.length(); i++) {

      // access each character
      char a = name.charAt(i);
      System.out.print(a + ", ");
    }
  }
}

Output

Characters in Programiz are:
P, r, o, g, r, a, m, i, z,

In the above example, we have used the for-loop to access each element of the string. Here, we have used the charAt() method to access each character of the string.


Example 2: Loop through each character of a string using for-each loop

class Main {

  public static void main(String[] args) {

    // create a string
    String name = "Programiz";

    System.out.println("Characters in string \"" + name + "\":");

    // loop through each element using for-each loop
    for(char c : name.toCharArray()) {

      // access each character
      System.out.print(c + ", ");
    }

  }
}

Output

Characters in string "Programiz":
P, r, o, g, r, a, m, i, z,

In the above example, we have converted the string into a char array using the toCharArray(). We then access each element of the char array using the for-each loop.