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Tag Archives: Java-Strings

Write a function that takes a String as an argument and prints all unique words in it. Examples: Input : Java is great. Grails is… Read More
Given a string, extract words from it. “Words” are defined as contiguous strings of alphabetic characters i.e. any upper or lower case characters a-z or… Read More
In the article Check if a given string is a valid number, we have discussed general approach to check whether a string is a valid… Read More
Given a string s consisting of upper/lower-case alphabets and empty space characters ‘ ‘, return the length of the last word in the string. If… Read More
Given a string of digits, remove leading zeros from it. Illustration:  Input : 00000123569 Output : 123569 Input : 000012356090 Output : 12356090 Recommended: Please… Read More
Prerequisite: StringJoinerStringJoiner is very useful, when you need to join Strings in a Stream. Task : Suppose we want the string “[George:Sally:Fred]”, where we have given… Read More
Given a string, remove all the leading and trailing spaces from the string and return it. Examples: Input : str = " Hello World "… Read More
This article discusses different ways to reverse a string in Java with examples. Examples:     Recommended: Please try your approach on {IDE} first, before moving on… Read More
Strings are a very important aspect from a programming perspective as many questions can be framed out among strings. There arise wide varied sets of… Read More
StringTokenizer class in Java is used to break a string into tokens. One must go through StringTokenizer class where concepts and constructors are discussed which… Read More
StringTokenizer class in Java is used to break a string into tokens. A StringTokenizer object internally maintains a current position within the string to be… Read More
The string split() method breaks a given string around matches of the given regular expression. After splitting against the given regular expression, this method returns… Read More
Given two string variables, a and b, your task is to write a Java Program to swap these variables without using any temporary or third… Read More
In Java, while operating upon strings, there are times when we need to convert a number represented as a string into an integer type. We… Read More
As we all know String is immutable in java so do it gives birth to two ways of initialization as we do have the concept… Read More

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