Question program
import java.lang.*; import java.io.*; class Questions { public String[][] qpa; public String[][] qca; Questions() throws IOException { qpa = new String[10][5]; // Updated questions and objectives DataInputStream in = new DataInputStream(System.in); qpa[0][0] = "What is the default value of an int variable in Java?"; qpa[0][1] = "1. 0.0"; qpa[0][2] = "2. null"; qpa[0][3] = "3. 0"; qpa[0][4] = "4. Undefined"; qpa[1][0] = "Which of these is a loop construct that will always execute at least once?"; qpa[1][1] = "1. for"; qpa[1][2] = "2. while"; qpa[1][3] = "3. do-while"; qpa[1][4] = "4....