Java Programming Flashcard - unit 1b

Front

Which of the following correctly declares a string variable in Java? Options: String name = "Alice"; string name = "Alice"; String name == "Alice"; String name: "Alice";

Back

String name = "Alice";

Front

What will the statement System.out.print("Java "); System.out.print("Programming"); output?

Back

JavaProgramming

Front

Where should the import java.util.Scanner; statement be placed in a Java program?

Back

At the beginning of the program before the class declaration

Front

If you create a Scanner object as follows,
Scanner sc = new Scanner(System.in);
How can you read an integer input?

Back

int num = sc.nextInt();

Front

What will the value of x be after the following statements?
int x = 5;
x = x + 3;

Back

8

Front

What is the value of y after the following statements?
int y = 4;
y *= 2;

Back

8

Front

What will the following code output?
String text = "Hello, Java!";
int index = text.indexOf("Java");
System.out.println(index);

Back

7

Front

What will the following code output?
String str = "Programming";
String sub = str.substring(0, 5);
System.out.println(sub);

Back

Progr

Front

What will System.out.println("Java".charAt(2)); output?

Back

v

Front

What will the following code output?
String text = "Hello, World!";
char ch = text.substring(7, 12).charAt(2);
System.out.println(ch);

Back

r