Here are some Java multiple-choice questions that you can use for practice or testing:
1) What is the correct way to declare a variable in Java?
A. var x = 5;
B. int x = 5;
C. float x = 5;
D. string x = "5";
2) What is the correct way to print a string to the console in Java?
A. System.out.print("Hello, world!");
B. cout << "Hello, world!";
C. print("Hello, world!");
D. console.log("Hello, world!");
3) What is the correct way to open a file in Java?
A. File f = new File("file.txt");
B. open("file.txt");
C. fopen("file.txt");
D. fs.open("file.txt");
4) What is the correct way to create an array in Java?
A. int[] array = {1, 2, 3, 4, 5};
B. array[] = {1, 2, 3, 4, 5};
C. Array array = {1, 2, 3, 4, 5};
D. int array[] = new int[5];
5) What is the correct way to access the third element of an array in Java?
A. array[3];
B. array(3);
C. array.get(3);
D. array{3};
1) What is the correct way to declare a variable in Java?
A. var x = 5;
B. int x = 5;
C. float x = 5;
D. string x = "5";
2) What is the correct way to print a string to the console in Java?
A. System.out.print("Hello, world!");
B. cout << "Hello, world!";
C. print("Hello, world!");
D. console.log("Hello, world!");
3) What is the correct way to open a file in Java?
A. File f = new File("file.txt");
B. open("file.txt");
C. fopen("file.txt");
D. fs.open("file.txt");
4) What is the correct way to create an array in Java?
A. int[] array = {1, 2, 3, 4, 5};
B. array[] = {1, 2, 3, 4, 5};
C. Array array = {1, 2, 3, 4, 5};
D. int array[] = new int[5];
5) What is the correct way to access the third element of an array in Java?
A. array[3];
B. array(3);
C. array.get(3);
D. array{3};
π31
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