Java: Chapter 2 Review Questions and Answers Latest Update Graded A+

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? `&&` What operator is used for logical OR in Java? `||` What will `Sln("Java".toUpperCase());` print? "JAVA" How do you find the maximum of two numbers in Java? `M(a, b);` How do you generate a random number in Java? `Mm();` How do you check if a string contains another string in Java? `ins("text");` 3 What is the output of `Sln("Hello".charAt(1));`? 'e' How do you round a number to the nearest integer in Java? `M(number);` What keyword is used to handle exceptions in Java? `try-catch` What is Java? Java is a high-level, object-oriented programming language. How do you print text in Java? Using `Sln("Hello, world!");` What is the main method in Java? `public static void main(String[] args) { }` 4 How do you declare an integer variable in Java? `int number;`