Java lang.Integer.toBinaryString() method Last Updated : 05 Dec, 2018 Comments Improve Suggest changes Like Article Like Report The java.lang.Integer.toBinaryString() method returns a string representation of the integer argument as an unsigned integer in base 2. It accepts an argument in Int data-type and returns the corresponding binary string. Syntax: public static String toBinaryString(int num) Parameter : The function accepts a single mandatory parameter num num - This parameter specifies the number to be converted to binary string. It is of int data-type Return Value: This function returns the string representation of the unsigned Integer value represented by the argument in binary (base 2). Examples: Input : 10 Output : 1010 Input : 9 Output : 1001 Java // Java program to demonstrate // java.lang.Integer.toBinaryString() method import java.lang.Math; class Gfg1 { // driver code public static void main(String args[]) { int l = 10; // returns the string representation of the unsigned int value // represented by the argument in binary (base 2) System.out.println("Binary is " + Integer.toBinaryString(l)); l = 9; System.out.println("Binary is " + Integer.toBinaryString(l)); } } Output: Binary is 1010 Binary is 1001 Comment More info G gopaldave Follow Improve Article Tags : Misc Java Java-lang package Java-Functions java-math Java-Integer +2 More Explore Java BasicsIntroduction to Java4 min readJava Programming Basics9 min readJava Methods7 min readAccess Modifiers in Java5 min readArrays in Java7 min readJava Strings8 min readRegular Expressions in Java7 min readOOP & InterfacesClasses and Objects in Java10 min readAccess Modifiers in Java5 min readJava Constructors10 min readJava OOP(Object Oriented Programming) Concepts10 min readJava Packages7 min readJava Interface11 min readCollectionsCollections in Java12 min readCollections Class in Java13 min readCollection Interface in Java6 min readIterator in Java5 min readJava Comparator Interface6 min readException HandlingJava Exception Handling8 min readJava Try Catch Block4 min readJava final, finally and finalize4 min readChained Exceptions in Java3 min readNull Pointer Exception in Java5 min readException Handling with Method Overriding in Java4 min readJava AdvancedJava Multithreading Tutorial3 min readSynchronization in Java10 min readFile Handling in Java4 min readJava Method References9 min readJava 8 Stream Tutorial7 min readJava Networking15+ min readJDBC Tutorial5 min readJava Memory Management4 min readGarbage Collection in Java6 min readMemory Leaks in Java3 min readPractice JavaJava Interview Questions and Answers15+ min readJava Programs - Java Programming Examples7 min readJava Exercises - Basic to Advanced Java Practice Programs with Solutions5 min readJava Quiz | Level Up Your Java Skills1 min readTop 50 Java Project Ideas For Beginners and Advanced [Update 2025]15+ min read Like