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Java Software Solutions Chapter 1 Review Question with Certified Solutions What is the purpose of Java's `main` method? It serves as the entry point of a Java program. What does the term "platform-independent" mean in Java? Java code can run on any operating system with a Java Virtual Machine (JVM). How do you declare an integer variable named `count`? `int count;` What is the result of `Sln(3 + 3 + "3");`? `63` What does `Sln("Java".length());` re...

Java: Chapter 2 Review Questions and Answers Graded A+ What is the purpose of the `Scanner` class in Java? To read user input from different input sources like the keyboard. How do you declare a constant variable in Java? By using the `final` keyword before the variable declaration. What will happen if you try to divide an integer by zero in Java? It will throw an `ArithmeticException`. How do you concatenate two strings in Java? By using the `+` operator or the `concat()`...

Java Chapter 2 Questions and Answers Already Graded A What is the result of `Sln(7 / 2);`? A. 3.5 B. 3 C. 4 D. Compilation error Which of the following is a valid variable declaration in Java? A. int 2number; B. int number2; C. int#value; D. int value%3; What does `Sln(5 * (2 + 3));` print? A. 25 B. 25 C. 10 2 D. Compilation error Which data type is used to store a single character in Java? A. string B. char C. letter D. character What is the ...

Java Chapter 2 Questions and Answers Latest Update Graded A+ Which of these is not a primitive data type in Java? A. `int` B. `double` C. `char` D. `String` How do you store a decimal value in a variable in Java? A. `double x = 10.5;` B. `decimal x = 10.5;` C. `int x = 10.5;` D. `float x = 10;` What will be the output of `Sln("Hello" + " World!");`? A. HelloWorld! B. Hello World! C. Hello + World! 2 D. Compilation error How do you create a char...

Java: Chapter 2 Review Questions and Answers Latest Update Graded A+ What keyword is used to inherit a class in Java? `extends` How do you create a subclass in Java? `class Subclass extends Superclass { }` How do you define an interface in Java? Using the `interface` keyword. What is the default value of a boolean variable in Java? false How do you check if a number is negative in Java? `number < 0` 2 What operator is used for logical AND in Java? `&&` Wha...

MyProgrammingLab - Chapter 2: Java Fundamentals (Tony Gaddis) Questions and Answers Latest Version Already Passed What is the default value of a `double` variable in Java? 0.0 How do you convert a number to its absolute value in Java? Using `M(number);` What is the result of `Sln(10 > 5 && 3 < 4);`? true How do you check if a string is empty in Java? `Empty();` What happens if you divide a floating-point number by zero in Java? It results in infinity or NaN ...

Java An Introduction to Problem Solving and Programming Chapter 2 (Programming Projects) Questions and Answers 100% Pass What is the role of a variable in problem-solving and programming? A variable is used to store data that can be manipulated during the execution of a program. How do you declare and initialize an integer variable named `score` with the value 100? `int score = 100;` How can you write a program that calculates the sum of two numbers in Java? `int num1 = 5; int ...

Intro to Java Programming Chapter 2 Questions and Answers Already Graded A What will be the output of `Sln(6 + "3");`? A. 63 B. 63 C. 9 D. Compilation error What is the default value of a `float` variable in Java? A. 0 B. 0.0 C. 0.0f D. 0.0d How do you declare a constant in Java? A. `int x = 10;` B. `final int x = 10;` 2 C. `constant int x = 10;` D. `x = final 10;` Which of the following is a valid way to declare a `String` in Java? A. `String name...

Big Java Chapter 2 Questions and Answers Graded A+ What is a variable in Java? A named storage location for data in memory. How do you declare a double variable in Java? `double value;` What keyword is used to define a constant variable in Java? `final` How do you concatenate two strings in Java? Using the `+` operator. What will `Sln("Big" + "Java");` print? BigJava 2 How do you assign a value to an already declared variable? Using the assignmen...

Building Java Programs - Chapter 2 Questions and Answers with Verified Solutions What is the result of `Sln("10" + 5);`? "105" How do you get the remainder of a division in Java? Using the modulus operator (`%`). What will be the output of `Sln(3 * 2 / 2);`? 3 How do you concatenate two strings in Java? Using the `+` operator. What happens if you try to divide a number by zero in Java? A `ArithmeticException` will occur at runtime. 2 What is the out...