Print one dimensional integer array in Java

Print one dimensional integer array in Java

In this article, we will discuss the concept of Print one dimensional integer array in Java language

In this post, we are going to learn how to write a program to  display integer elements in single dimensional array  in Java language   using for, while and do-while  loop

Code to display integer array

Code to display integers in an array using for loop – #1

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

Program 1

//Display integer of an array using for loop

class Disp_Array_element_int1{
public static void main (String args[]){
int arr[]=new int[6]; //declaration and creation of an array
arr[0]=120;//initialization of int array
arr[1]=130;
arr[2]=140;
arr[3]=150;
arr[4]=160;
arr[5]=170;

//display array elemnts of int array;
System.out.println("Display elements of given array");

//for loop use to displays the elements by incrementing value of i
for(int i=0; i<arr.length; i++){
System.out.print(arr[i]+" ");

}
}
}

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

Display elements of the given array
120    130    140    150    160   170

 

Code to display integers in an array using for loop – #2

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

Program 2

import java.util.Scanner;
public class AcceptArrayInputforA{
public static void main(String args[]){
//scanner class to read input from the user
  Scanner sc=new Scanner(System.in);
  System.out.print("Enter array length");
  int len=sc.nextInt();
  //Declaring and creating array
  int[] arr=new int[len];
  
  //initializing value to the array
  System.out.println("******Initializing elements of the array******");
  System.out.println("Enter "+arr.length+" integer values");
  for(int i=0; i<arr.length; i++){
    System.out.print("arr["+i+"]:");
    arr[i]=sc.nextInt();
  }//using the for loop to initializing array
  
  //displaying the array
  System.out.println("\n******displaying given array elements******");
  System.out.println("Entered array elements are");
  for(int i=0; i<arr.length; i++){
    System.out.print("arr["+i+"]:");
    System.out.println(arr[i]+"\t");
  }
}
}

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

Enter array length: 4
******Initializing 6 elements of the array******"

Enter 4 integer value
arr[0]: 125
arr[1]: 525
arr[2]: 650
arr[3]: 725

******displaying given 6 array elements******
Entered array elements are:
arr[0]: 125
arr[1]: 525
arr[2]: 650
arr[3]: 725

Code to display integers in an array using while loop – #1

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

Program 1

//Display integer of an array using for loop

class Disp_Array_element_intwhile{
public static void main (String args[]){
int arr[]=new int[6]; //declaration and creation of an array
arr[0]=12;//initialization of int array
arr[1]=113;
arr[2]=214;
arr[3]=315;
arr[4]=416;
arr[5]=517;

//display array elements of int array;
System.out.println("Display elements of given array");

//while loop use to displays the elements by incrementing value of i
int i=0; 
while(i<arr.length){
System.out.print(arr[i]+" ");
 i++;
}
}
}

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

Display elements of given array
113      214      315     416      517

 

Code to display integers in an array using while loop – #2

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

Program 2

import java.util.Scanner;
public class DisplayArrayInputwhileA{
public static void main(String args[]){
//scanner class to read input from the user
  Scanner sc=new Scanner(System.in);
  System.out.print("Enter array length");
  int len=sc.nextInt();
  //Declaring and creating array
  int[] arr=new int[len];
  
  //initializing value to the array
  System.out.println("******Initializing elements of the array******");
  System.out.println("Enter "+arr.length+" integer values");
  int i=0; 
  while(i<arr.length){
    System.out.print("arr["+i+"]:");
    arr[i]=sc.nextInt();
     i++;
  }//using the while loop to initializing array
  
  //displaying the array
  System.out.println("\n******displaying given array elements******");
  System.out.println("Entered array elements are");
  i=0;
  while( i<arr.length){
    System.out.print("arr["+i+"]:");
    System.out.println(arr[i]+"\t");
     i++;
  }
}
}

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

Enter array length: 5
******Initializing 6 elements of the array******"

Enter 5 integer value
arr[0]: 150
arr[1]: 250
arr[2]: 350
arr[3]: 450
arr[4]: 550


******displaying given 6 array elements******
Entered array elements are:
arr[0]: 150
arr[1]: 250
arr[2]: 350
arr[3]: 450
arr[4]: 550

 

Code to display integers in an array using do-while loop – #1

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

Program 1

//Display integer of an array using for loop

class Disp_Array_element_intdowhile{
public static void main (String args[]){
int arr[]=new int[6]; //declaration and creation of an one dim array
arr[0]=125;//initialization of int array
arr[1]=135;
arr[2]=145;
arr[3]=155;
arr[4]=165;
arr[5]=175;

//display array elements of int array;
System.out.println("Display elements of given array");

//do-while loop use to displays the elements by incrementing value of i
int i=0; 
do{
System.out.print(arr[i]+" ");
 i++;
}while(i<arr.length);
}
}

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

Display elements of given array
125     135    145    155    165      175

 

Code to display integers in an array using do-while loop – #2

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

Program 2

import java.util.Scanner;
public class DisplayArrayInputdowhileA{
public static void main(String args[]){
//scanner class to read input from the user
  Scanner sc=new Scanner(System.in);
  System.out.print("Enter array length");
  int len=sc.nextInt();
  //Declaring and creating array
  int[] arr=new int[len];
  
  //initializing value to the array
  System.out.println("******Initializing elements of the array******");
  System.out.println("Enter "+arr.length+" integer values");
  int i=0; 
  do{
    System.out.print("arr["+i+"]:");
    arr[i]=sc.nextInt();
     i++;
  }while(i<arr.length);//using the do-while loop to initializing array
  
  //displaying the array
  System.out.println("\n******displaying given array elements******");
  System.out.println("Entered array elements are");
  i=0;
  do{
    System.out.print("arr["+i+"]:");
    System.out.println(arr[i]+"\t");
     i++;
  }while( i<arr.length);
}
}

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

Enter array length: 3
******Initializing 3 elements of the array******"

Enter 3 integer value
arr[0]: 1503
arr[1]: 2504
arr[2]: 3505


******displaying given 3 array elements******

Entered array elements are:
arr[0]: 1503
arr[1]: 2504
arr[2]: 3505

 

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