Data and Expressions - Java Software Solutions: Foundations of Program Design - page 106

Exercises
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EX 2.1

Explain the following programming statement in terms of objects
and the services they provide:

System.out.println ("I gotta be me!");

EX 2.2 What output is produced by the following code fragment?

Explain.

System.out.print ("Here we go!");
System.out.println ("12345");
System.out.print ("Test this if you are not sure.");
System.out.print ("Another.");
System.out.println ();
System.out.println ("All done.");

EX 2.3 What is wrong with the following program statement? How can

it be fixed?

System.out.println ("To be or not to be, that
is the question.");

EX 2.4 What output is produced by the following statement? Explain.

System.out.println ("50 plus 25 is " + 50 + 25);

EX 2.5 What is the output produced by the following statement?

Explain.

System. o ut.println ("He thrusts his fists\n\tagainst" +
"the po st \nand still insists\n\the sees the \"ghost\"");

EX 2.6 What value is contained in the integer variable size after the fol-

lowing statements are executed?

size = 18;
size = size + 12;
size = size * 2;
size = size / 4;

EX 2.7 What value is contained in the floating point variable depth after

the following statements are executed?

depth = 2.4;
depth = 20 - depth * 4;
depth = depth / 5;