![]() ![]() Over the past 25 years, Java has been a popular programming language among all developers because of its user-friendly and flexible nature that can be used for platforms and web applications development. What will be the output of the below program? Write a program to check whether the given input string is a palindrome. How can we remove a specific character from a String? In what way should two strings be compared to determine whether they are anagrams? Is it possible to count the number of times a given character appears in a String? ![]() How to convert an Array to String in Java? Write a program to calculate the total number of characters in the String? How to print all permutations of string in Java? ![]() How many objects will be created for the following codes: How do you check whether a String is empty in Java? How can we convert string to StringBuilder? In Java, how do you convert a string to an integer and vice versa? How can a Java string be converted into a byte array? Why char array is preferred over a String in storing passwords? What is the best way to split a string in Java? Why is a string used as a HashMap key in Java? What are the different string methods in Java? Java String Interview Questions for Experienced.Can we use a string in the switch case in java? What is the use of the substring() method in Java? Is it possible to compare Strings using the = operator? If so, what is the risk involved? What is the difference between str1 = str2 and str1.equals(str2)? In Java, how can two strings be compared? State the difference between StringBuffer and StringBuilder in Java. State the difference between String and StringBuffer. ![]() What does the string intern() method do in Java? Is String immutable or final in Java? If so, then what are the benefits of Strings being Immutable? State the difference between String in C and String in Java. Is String a primitive or derived type in Java? Java String Interview Questions for Freshers.This example will help us understand the public int indexOf(int char) method. In the first example below, we'll find the index of a single character in a string. str represents a substring in a string.ĭon't worry if you don't yet understand how any of this works – the examples will make it all clear! How to Use the indexOf Method in Java.With this parameter, you can tell the indexOf method where to start its operation from. This is important where you have two characters/strings that have the same value in a string. fromIndex signifies the position where the search for the index of a character or substring should begin.char represents a single character in a string.Let's explain these parameters before seeing some examples: Public int indexOf(String str, int fromIndex) Public int indexOf(int char, int fromIndex) The indexOf method has the following methods: public int indexOf(int char) We'll also look at some examples to help you understand and use them effectively to find the index of a character or substring in your Java code. In this article, we'll see the syntax for the different indexOf methods. The indexOf method returns the index position of a specified character or substring in a string. A string is a collection of characters nested in double quotes. ![]()
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