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How to Draw a Triangle in JavaThis tutorial explains how to draw a triangle in Java How to Draw a Circle in JavaThis tutorial introduces how to draw a circle in Java using several functions How to Return Empty Array in JavaThis article introduces the tips and tricks to return an empty array in Java. How to Return Array in JavaThis tutorial introduces how to return an array in Java How to Java Array IndexofThis article explains the ways to get the index of an element in an array in Java. How to Copy Array in JavaThis article introduces the methods to copy an array to another array in Java How to Update Value in Hashmap in JavaThis article describes how to update a value in HashMap in Java How to Escape Characters in JavaThis article explains the common escape sequences in Java How to Copy ArrayList in JavaThis article describes various techniques to copy an arraylist to another in Java How to Convert Int Array to Arraylist in JavaIt goes through the methods to convert a primitive int array to an arraylist in Java How to Convert Char to Uppercase/Lowercase in JavaIt explains the methods to convert a character to uppercase or lowercase in Java How to Call Another Constructor in JavaThis tutorial explains how to call one constructor from another in Java How to Concatenate Strings in JavaThis article introduces how to concatenate strings in Java. Binary Search Interactive and Recursive in JavaThis tutorial demonstrates how to use the Binary Search Algorithm. How to Iterate Through List in JavaThis article introduces how to iterate all the elements of a list in Java. How to Get Current TimeStamp in Java DateThis article introduces how to get current timestamp in Java Date. How to Generate Random Number Within a Specified Range in JavaThis article introduces how to generate a random number within a specified range in Java. How to Create Global Variable in JavaThis article introduces how to create global variable in Java. How to Split a String by Space in JavaThis article introduces how to split string by space in Java. How to Format Double Value in JavaThis article introduces how to format double value in Java. How to Convert Object to String in JavaThis article introduces how to convert object to string in Java. How to Convert Float to String and String to Float in JavaThis article introduces how to convert float to string and string to float in Java. How to Truncate Double in JavaThis article describes how to truncate double in Java. How to Parse a String in JavaThis article describes how to parse a string in Java.