Printing the array of user input(String) in Java

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Printing the array of user input(String) in Java

In this article, we will discuss the concept of Printing the array of user input(String) in Java

In this post, we are going to learn how to write a program to print string elements (input from user)in single dimensional array using for, while and do-while loop in Java language

Code to print Strings of an array

Code to print Strings of an array using for loop

In this code, we are going to learn how to print String elements in single dimensional array using for loop in Java language

Program 1

import java.util.Scanner;
public class StringArrayOutfor{
public static void main(String args[]){
//scanner class to read input from the user
  Scanner sc=new Scanner(System.in);
  System.out.print("How many stuents on your class: ");
  //user input the array length
  int len=sc.nextInt();//Reading the given array length
  //Declaring and creating array
  String[] names=new String[len];
  
  //initializing value to the array
  System.out.println("\n******Initializing Strings of the array******");
  System.out.println("Enter "+names.length+" names of your students");
  
    System.out.print("Enter name of student: ");
  for(int i=0;  i<names.length; i++){
    names[i]=sc.next();
     //using the for loop to initializing array
  }
  
  //displaying the array
  System.out.println("\n******displaying given student names******");
  System.out.println("you enterd name of "+names.length+" students");
  
  for(int i=0; i<names.length; i++){
  System.out.print("you Entered name of student for index names["+i+"]:");
    //display entered strings using for loop
    System.out.println(names[i]+"\t");
     
  }
}
}

When the above code is executed, it produces the following result

How many students on your class: 5


******Initializing Strings of the array******
Enter 5 names of your student
Enter name of students: Suna
Sunil
Sugas
Sutha
Suman

******displaying given student names******
You Entered names of 5 students :
You Enter name of student for index names[0]:Suna
You Enter name of student for index names[1]:Sunil
You Enter name of student for index names[2]:Sugas
You Enter name of student for index names[3]:Sutha
You Enter name of student for index names[3]:Suman

Code to print Strings of an array using while loop

In this code, we are going to learn how to print String elements in single dimensional array using while loop in Java language

Program 2

import java.util.Scanner;
public class StringArrayOutwhile{
public static void main(String args[]){
//scanner class to read input from the user
  Scanner sc=new Scanner(System.in);
  System.out.print("How many stuents on your class: ");
  //user input the array length
  int len=sc.nextInt();//Reading the given array length
  //Declaring and creating array
  String[] names=new String[len];
  
  //initializing value to the array
  System.out.println("\n******Initializing Strings of the array******");
  System.out.println("Enter "+names.length+" names of your students");
  
    System.out.print("Enter name of student: ");
    int i=0; 
  while( i<names.length){
    names[i]=sc.next();
     //using the while loop to initializing array
      i++;
  }
  
  //displaying the array
  System.out.println("\n******displaying given student names******");
  System.out.println("you enterd name of "+names.length+" students");
  
  i=0; 
  while(i<names.length){
  System.out.print("you Entered name of student for index names["+i+"]:");
    //display entered strings using while loop
    System.out.println(names[i]+"\t");
      i++;
  }
}
}

When the above code is executed, it produces the following result

How many students on your class: 3

******Initializing Strings of the array******
Enter 3 names of your student
Enter name of students: Mithila
Sunitha
Muguntha


******displaying given student names******
You Entered names of 3 students :
You Enter name of student for index names[0]:Mithila
You Enter name of student for index names[1]:Sunitha
You Enter name of student for index names[2]:Muguntha

Code to print Strings of an array using do-while loop

In this code, we are going to learn how to print String elements in single dimensional array using do-while loop in Java language

Program 3

import java.util.Scanner;
public class StringArrayOutdowhile{
public static void main(String args[]){
//scanner class to read input from the user
  Scanner sc=new Scanner(System.in);
  System.out.print("How many stuents on your class: ");
  //user input the array length
  int len=sc.nextInt();//Reading the given array length
  //Declaring and creating array
  String[] names=new String[len];
  
  //initializing value to the array
  System.out.println("\n******Initializing Strings of the array******");
  System.out.println("Enter "+names.length+" names of your students");
  
    System.out.print("Enter name of student: ");
    int i=0; 
  do{
    names[i]=sc.next();
     //using the while loop to initializing array
      i++;
  }while( i<names.length);
  
  //displaying the array
  System.out.println("\n******displaying given student names******");
  System.out.println("you enterd name of "+names.length+" students");
  
  i=0; 
  do{
  System.out.print("you Entered name of student for index names["+i+"]:");
    //display entered strings using while loop
    System.out.println(names[i]+"\t");
      i++;
  }while(i<names.length);
}
}

When the above code is executed, it produces the following result

How many students on your class: 2

******Initializing Strings of the array******
Enter 2 names of your student
Enter name of students: Soory
Santhanam

******displaying given student names******
You Entered names of 2 students :
You Enter name of student for index names[0]:Soory
You Enter name of student for index names[1]:Santhanam

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