import java.util.HashMap; public class Main { public static void main(String[] args) { // Create a new HashMap instance with type safety HashMap contacts = new HashMap(); // Add contacts to the HashMap contacts.put("Ram", "+919999999999"); contacts.put("Shyam", "+918888888888");...
1Function<String,String>atr=(name)->{return"@"+name;};2Function<String,Integer>leng=(name)->name.length();3Function<String,Integer>leng2=String::length; This code is perfectly valid Java 8. The first line defines a function that prepends “@” to a String. The last two lines define ...
import java.io.*; public class WhatAmI {public static void main(String args[]) {char ch, *=0;try {or(int i =0; i< 10; i++) {System. out.print("Enter a char:"); ch = (char)System. in.read(); if(ch>*) *= ch; System. in. skip(2);} System.out.println(*);} catc...
'string.Split(params char[])' has some invalid arguments 'string' does not contain a definition for 'empty' 'System.Threading.ThreadAbortException' occurred in mscorlib.dll...what is the error?how to solve??? 'System.Web.UI.WebControls.Literal' does not allow child controls. 'The input is...
IntelliJ IDEA 2025.1 delivers full Java 24 support, introduces Kotlin notebooks, and makes K2 mode the default, marking a major step toward the best Kotlin experience. Debugging is more powerful, with pause and resume functionality for watch evaluations,
feature is enabled injavacby using the new-hoption, which is used to specify a directory in which the header files should be written. Header files will be generated for any class which has either native methods, or constant fields annotated with a new annotation of typejava.lang.annotation....
import java.io.*;public class WhatAmI{public static void main(String args[]){char ch, x=0;try{for(int i =0; i< 10; i++){System. out.print("Enter a char:");ch = (char)System. in.read();if(ch>x)x= ch;System. in. skip(2);}System.out.println(x);}catch(IOException e...
In Java, the “import java.io.*;” is an import statement that allows a Java program to use classes from the Java I/O (Input/Output) library. The I/O library contains classes and interfaces for performing input and output operations. The “java.io” package offers classes to read and ...
Case 1: Without Static Import classWithoutStaticImport{staticStrings="My Name is Preeti Jain";publicstaticvoidmain(String[]args){out.println("Length of the string is "+WithoutStaticImport.s.length());}} Output D:\Java Articles>javac WithoutStaticImport.java WithoutStaticImport.java:8: error:...
import java.util.*; public class Program { public static void main(String[] args) { Scanner sc=new Scanner (System.in); int n=sc.nextInt();//20 double p=5*n+40;//here each colour costs Rs.5 so number of colours*5+additional charges for canvas and brushes(40) int r=(int)(Ma...