Answer:
A. System.out.println("1 2 3 4");
B. System.out.print("1 ");
System.out.print("2 ");
System.out.print("3 ");
System.out.print("4");
C. System.out.printf("%d %d %d %d", 1, 2, 3, 4);
Step-by-step explanation:
All of these techniques will produce the same output of "1 2 3 4" on the same line, with each pair of adjacent numbers separated by one space.