Console format(String, Object) method in Java with Examples Last Updated : 12 Jun, 2020 Suggest changes Share Like Article Like Report The format(String, Object) method of Console class in Java is used to write a formatted string to the output stream of the console. It uses the specified format string and arguments. Syntax: public Console format(String fmt, Object... args) Parameters: This method accepts two parameters: fmt - It represents the format of the string. args - It represents the arguments that are referenced by the format specifiers in the string format. Return value: This method returns the console. Exceptions: This method throws IllegalFormatException if string format contains an illegal syntax or a format specifier is not compatible with the given arguments or insufficient arguments given the format string or other conditions that are illegal. Note: System.console() returns null in an online IDE. Below programs illustrate format(String, Object) method in Console class in IO package: Program 1: Java // Java program to illustrate // Console format(String, Object) method import java.io.*; public class GFG { public static void main(String[] args) { // Create the console object Console cnsl = System.console(); if (cnsl == null) { System.out.println( "No console available"); return; } String fmt = "%1$4s %2$10s %3$10s%n"; cnsl.format(fmt, "Books", "Author", "Price"); cnsl.format(fmt, "-----", "------", "-----"); cnsl.format(fmt, "DBMS", "Navathe", "800"); cnsl.format(fmt, "Algorithm", "Cormen", "925"); cnsl.format(fmt, "Operating System", "Rajib Mall", "750"); } } Output: Program 2: Java // Java program to illustrate // Console format(String, Object) method import java.io.*; public class GFG { public static void main(String[] args) { // Create the console object Console cnsl = System.console(); if (cnsl == null) { System.out.println( "No console available"); return; } String fmt = "%1$4s %2$10s %3$10s%n"; cnsl.format(fmt, "Items", "Quantity", "Price"); cnsl.format(fmt, "-----", "------", "-----"); cnsl.format(fmt, "Tomato", "1 Kg", "80"); cnsl.format(fmt, "Apple", "3 Kg", "500"); cnsl.format(fmt, "Potato", "2 Kg", "75"); } } Output: References: https://docs.oracle.com/javase/10/docs/api/java/io/Console.html#format(java.lang.String, java.lang.Object...) Advertise with us Next Article Console format(String, Object) method in Java with Examples P pp_pankaj Follow Similar Reads Console printf(String, Object) method in Java with Examples The printf(String, Object) method of Console class in Java is used to write a formatted string to the output stream of the console. It uses the specified format string and arguments. It is a convenience method. Syntax: public Console printf(String fmt, Object... args) Parameters: This method accepts 2 min read PrintStream format(String, Object) method in Java with Examples The format(String, Object) method of PrintStream Class in Java is used to print a formatted string in the stream. The string is formatted using specified format and arguments passed as the parameter. Syntax: public PrintStream format(String format, Object...args) Parameters: This method accepts two 2 min read PrintWriter format(String, Object) method in Java with Examples The format(String, Object) method of PrintWriter Class in Java is used to print a formatted string in the stream. The string is formatted using specified format and arguments passed as the parameter. Syntax: public PrintWriter format(String format, Object...args) Parameters: This method accepts two 2 min read Constructor toString() method in Java with Examples The toString() method of java.lang.reflect.Constructor class is used to return string representation of this Constructor.This string is the collection of all the properties of this constructor. For creating this string method adds access modifiers of the constructor with the name of the declaring cl 2 min read Class toString() method in Java with Examples The toString() method of java.lang.Class class is used to convert the instance of this Class to a string representation. This method returns the formed string representation. Syntax: public String toString() Parameter: This method does not accept any parameter. Return Value: This method returns the 1 min read Article Tags : Java Java-Functions Java-IO package Practice Tags : Java Like