Question 1: When you compile a program written in the Java programming language, the compiler converts the human-readable source file into platform-independent code that a Java Virtual Machine can understand. What is this platform-independent code called?
Question 2: Which of the following is not a valid comment:
/** comment */
/* comment */
Question 3: What is the first thing you should check if you see the following error at runtime:
Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorldApp.java.
Question 4: What is the correct signature of the
Question 5: When declaring the
main method, which modifier must come first,
Question 6: What parameters does the
main method define?
Exercise 1: Change the
HelloWorldApp.java program so that it displays
Hola Mundo! instead of
Exercise 2: You can find a slightly modified version of
The program has an error. Fix the error so that the program successfully compiles and runs. What was the error?