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Learn MoreJava Programs for Interviews
Rating: 4.5 out of 54.5(88 ratings)
804 students
Java Programs for Interviews
150 Java Programs from basics to advanced are covered for helping you with interviews
Created byArun Motoori
Last updated 11/2022
English
What you'll learn
- All the Java programs which are asked in the Interviews
Explore related topics
Course content
15 sections • 151 lectures • 26h 52m total length
- Program 1 - What is the output for System.out.println(-6+4*2); ?2:04
- Program 2 - Java Program - What is the output for System.out.println((2+3)4);2:08
Explore how Java evaluates System.out.println((2+3)4) by using parentheses to force addition before multiplication, resulting in an output of 20.
- Program 3 - What is the output for System.out.println(9+6-3*4/2%5);2:44
- Program 4 - In-taking two numbers using Scanner and printing their sum4:41
- Program 5 - Check whether the given input number is even or odd5:38
- Program 6 - Printing the multiplication table of the given input number5:30
Learn to build a Java program that reads a number from the user using Scanner, then prints its multiplication table from 1 to 10 with proper resource handling.
- Program 7 - Check whether the given year is a Leap Year15:15
This lecture demonstrates a Java program to check whether a given year is a leap year, using divisibility by four, hundred, and four hundred rules and input handling.
- Program 8 - What is the output for System.out.println(7+(3*5)*(4/2)+(5%3)-1);4:28
- Program 9 - Check whether the given character is a Vowel8:40
- Program 10 - Print the area of a circle7:02
- Program 11 - Intake two numbers and finds the quotient and reminder6:24
Explore how a Java program from the course Java programs for interviews takes two numbers via scanner and computes the quotient and reminder.
- Program 12 - Find the perimeter of the circle6:31
- Program 13 - Find the power of a number9:13
- Program 14 - Find the sum of first 100 numbers2:48
- Program 15 - Intake 6 numbers as input and prints their average5:33
- Program 16 - Find the sum of all even numbers from 1 to 103:57
- Program 17 - Intake width and height of a Rectangle and there by print its area4:12
- Program 18 - Swap two numbers4:20
- Program 19 - Intake width and height of a Rectangle and find its perimeter5:58
- Program 20 - Find the sum of all the digits in the inputed number13:17
- Program 21 - Convert a String to integer4:55
- Program 22 - Convert an integer to String2:53
Learn to convert an integer to a string in Java using toString, assign it to a string variable, and perform string operations such as length and retrieving the first character.
- Program 23 - Intakes String and prints the duplicate characters along with ...30:00
- Program 24 - Print the number of letters, digits, spaces in the statement ..13:46
- Program 25 - Print the Fibonacci series till the inputed number13:14
- Program 26 - Reverse a String10:39
Discover how to reverse a string in Java by converting it to a character array, iterating from the end with a for loop, and building the result without predefined methods.
- Program 27 - Check whether the given String text is a Palindrome13:09
- Program 28 - Check whether the given number is a palindrome13:55
- Program 29 - Find the Square of the given number3:28
Demonstrates a Java program that reads an integer from the user with a scanner, computes its square by multiplying the number by itself, and prints the result while closing scanner.
- Program 30 - Find the Cube of the given number3:55
- Program 31 - Find whether the given number is an Armstrong number10:37
Discover how to implement a Java program that checks whether a given number is an Armstrong number by summing cubes of its digits and comparing to the original.
- Program 32 - Find the factorial of the given number8:48
- Program 33 - Remove the duplicates from Array with the help of HashSet9:03
- Program 34 - Delete duplicates from Sorted Array using index21:54
- Program 35 - Find the duplicate elements in the array using index7:55
- Program 36 - Find the duplicate element in the array using HashSet8:41
Demonstrate how to find duplicate elements in an array using HashSet in Java, printing only the duplicates such as 3 and 4.
- Program 37 - Count the number of digits in the given number6:16
- Program 38 - Count the digits in the given number7:29
- Program 39 - Count the number of even and odd digits in the given number11:41
- Program 40 - Find the largest of given three numbers7:45
- Program 41 - Find the sum of all the elements in the Array3:55
Learn to compute the sum of all array elements in Java by initializing sum to zero and iterating with a for-each loop and printing the total.
- Program 42 - Separately print the even and odd number in the given array6:14
- Program 43 - Reverse the given number9:47
- Program 44 - Generate a random number within the given range4:57
- Program 45 - Compare two arrays4:21
- Program 46 - Logic to compare two arrays without using inbuilt methods8:39
- Program 47 - Find the missing element in the array6:37
- Program 48 - Find the maximum and minimum in the given Array6:31
Learn how to write a Java program to find the maximum and minimum values in an array by initializing max and min and iterating through elements with a for loop.
- Program 49 - Search for the given element in the array10:32
- Program 50 - Printing the Array2:29
- Program 51 - Sorting the elements in the Array using build-in functions5:57
- Program 52 - Remove special characters, spaces and other from the given String..5:09
- Program 53 - Remove white spaces in the given string text3:55
- Program 54 - Find the number of occurrence of a character in the given String..7:58
- Program 55 - Reverse each and every word in the given String text14:22
- Program 56 - Print the Version of Java installed in your machine1:34
- Program 57 - Compare two given numbers7:08
- Program 58 - Find the ASCII value of the given character6:34
- Program 59 - Print the text in the specified format5:11
- Program 60 - Print the current system date and time2:08
- Program 61 - Print the Date and Time in a different format5:08
- Program 62 - Print the odd numbers from 1 to 102:14
- Program 63 - Intakes a number and prints whether the given number is even or odd5:26
- Program 64 - Display the numbers from 1 to 25 which are divisible by both 2 & 33:38
- Program 65 - Intakes number of seconds and converts to hours, minutes & seconds8:47
- Program 66 - Find the factors of the number and the count number of factors11:14
Learn to write a Java program that finds all factors of a user-entered number and counts how many factors exist, using a for loop and modulus checks.
- Program 67 - Capitalize the first letter of each word in the given statement25:34
- Program 68 - Convert the given String text to lower case3:22
- Program 69 - Print the pyramid pattern7:31
The lecture demonstrates a Java program that prints a pyramid pattern using nested loops to manage spaces and hash symbols, with careful per-row spacing and line breaks.
- Program 70 - Print the number triangle pyramid5:17
- Program 71 - Print the number pyramid10:38
- Program 72 - Find the greatest common divisor of given numbers13:56
- Program 73 - Find the square root of the given number7:09
- Program 74 - Reverse an Array using Java Collections4:30
Convert a Java array to a list, reverse it with Collections.reverse, and print the reversed elements, using the proper wrapper class for integers.
- Program 75 - Receive input from the User and saving into Array8:10
Demonstrates how to read the size from the user, create an int array accordingly, and fill it with input values using a scanner, then print the resulting array.
- Program 76 - Reverse the elements in the array9:35
- Program 77 - Reverse the position of words in the String using Collections6:22
- Program 78 - Find the penultimate word of a sentence9:58
- Program 79 - Calculates reminder of two numbers without using modulus operator4:56
- Program 80 - Insert a word in the middle of the given text4:11
- Program 81 - Print the last three letters of the given text10:56
Demonstrates a Java program that prints the last three letters of user input by using a scanner, indexing, and string handling for clear, practical interview preparation.
- Program 82 - Print the first half of the given string text5:52
Demonstrates reading a string with a scanner and printing its first half using substring and the half index, as in Flipkart.
- Program 83 - Find the size or length of the given String3:21
- Program 84 - Find the number of elements in the given array1:31
- Program 85 - Find the number of elements in the ArrayList3:02
- Program 86 - Right rotate an Array by 1 element13:36
- Program 87 - Right rotate an Array by 3 elements14:21
- Program 88 - Left rotate an Array by 1 element11:05
- Program 89 - Left rotate an Array by 3 elements15:20
- Program 90 - Swap first and last elements of the Array5:17
- Program 91 - Multiply the corresponding elements in the given two arrays5:37
- Program 92 - Merge two different sorted arrays into a third sorted array30:52
- Program 93 - Perform calculator operation17:35
- Program 94 - Find the IP Address of the given website6:04
- Program 95 - Check whether the given number is a prime number9:13
- Program 96 - Print all the prime numbers between 1 and 1008:34
- Program 97 - Count number of words in a String4:20
Learn how to count words in a Java string by reading user input with Scanner, splitting the text on spaces, and computing the word count.
- Program 98 - Find first occurrence of given element in array without algorithm7:43
- Program 99 - Swap two numbers without using third variable3:49
- Program 100 - Remove the duplicate characters in the given String8:49
Requirements
- Knowledge of Core Java
Description
Solutions with detailed explanation of 150 Java programs are covered in this course.
If you are preparing for any Software Job Interviews, we will be asked to write code for various Java programs.
By practicing these programs prior to attending interviews will boost your confidence and help you in getting ready for these interviews.
You can check the course contents to find out what all Java programs are covered in this video course.
Who this course is for:
- Students who want to practice Java programs for Interviews after learning Core Java