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- Write a Java Program to reverse a string without using String inbuilt function. Answer: Here, we are initializing a string variable str and making use of the string builder class.
- Write a Java Program to reverse a string without using String inbuilt function reverse(). Answer: There are several ways with which you can reverse your string if you are allowed to use the other string inbuilt functions.
- Write a Java Program to swap two numbers using the third variable. Answer: In this example, we have made use of the Scanner class to declare an object with a predefined standard input object.
- Write a Java Program to swap two numbers without using the third variable. Answer: Rest all things will be the same as the above program. Only the logic will change.
Learn Java programs for interview with examples and output. Find basic programs on number, array, string, matrix, searching, sorting and more.
Nov 23, 2022 · Prepare for your Java programming interview with these common questions and answers. Learn how to reverse a string, swap numbers, check for vowels, primes, palindromes, and more.
- Basic Programs. Java Program to Read The Number From Standard Input. Java Program to Get Input from the User. Java Program to Multiply Two Floating-Point Numbers.
- Pattern Programs. Java Program to Print Right Triangle Star Pattern. Java Program to Print Left Triangle Star Pattern. Java Program to Print Pyramid Star Pattern.
- Conversion Programs. Java Program For Binary to Octal Conversion. Java Program For Octal to Decimal Conversion. Java Program For Decimal to Octal Conversion.
- Classes and Object Programs. Java Program to Create a Class and Object. Java Program to Create Abstract Class. Java Program to Create Singleton Class. Java Program to Create an Interface.
May 16, 2023 · Learn how to write Java programs for technical interviews with examples and explanations. Find questions on strings, arrays, matrices, logic, recursion, collections, and more.
Java basics (data types, variables, operators) Fundamental building blocks of Java programming. Covers how data is stored, manipulated, and the basic operations that can be performed.
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Jul 25, 2024 · Prepare for Java interviews with 200+ core questions and answers for freshers, intermediate and experienced professionals. Learn about Java features, concepts, OOP, multithreading, JVM, JIT, classloader and more.