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java programming quiz questions and answers

java programming quiz questions and answers

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Java BASIC Programming questions

Package com.test;Import Java.io.BufferedWriter;Import Java.io.FileOutputStream;Import Java.io.FileWriter;Import Java.io.OutputStream;Import Java.util.Scanner;public class Demo {public static void Main (string[] args) {/* There are five students, each student has 3 courses of results, from the keyboard input above data (including student number, name, three lessons), calculated* Average results, the original data and the calculated average score are stored in the disk File "stud". */Scanner in=ne

Several Frequently Asked Questions in Java and JSP Programming

Notes for Java and JSP Programming 1. when the println () method is used for objects of the string type, if the object is null, null is printed instead of nullpointerexception, which may lead to the illusion of reference, subsequent operations on strings may cause problems. 2. nullpointerexception is thrown because the object existence is not verified. In JSP programmin

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