Java Programming - Chapter 1 - Creating Java Programs Questions and Answers 100% Pass

Java Programming - Chapter 1 - Creating Java Programs Questions and Answers 100% Pass What is the main method signature required to run a Java program? public static void main(String[] args) What keyword is used to define a class in Java? class How do you display text in the console in Java? Sln() What file extension must a Java source file have? .java What command compiles a Java program? javac 2 What command runs a compiled Java program? java What is the default access modifier for a class in Java if none is specified? package-private Which function is the entry point of a Java application? main() What is the purpose of comments in Java? To explain code without affecting execution What is the correct syntax for a single-line comment in Java? // This is a comment What is the correct syntax for a multi-line comment in Java? /* This is a comment */ 3 Which keyword is used to create an object in Java? new What is the default value of an uninitialized int variable in Java? 0 How do you declare a constant variable in Java? final Which function is used to get user input in Java? S() What is the keyword used to define a method in Java? void (or a specific return type) Which class is used to read input from the console? Scanner 4 How do you import a class from another package in Java? import packageNName; What is the output of Sln("Java".length());? 4 How do you declare an integer variable in Java? int x; What is the result of 10 / 3 in Java? 3 How do you perform string concatenation in Java? Using + What is the purpose of the return statement in Java? To send a value back from a method