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The Math class.

The Char class.

None of the classes listed in the other choices.

Which of the following JAVA instructions correctly computes the value of the expression 3 + 5⁷and store it in a real variable called result?

int result = 3 + Math.pow(5, 7);

double result = 3 + pow(5, 7);

float result = 3 + Math.exp(5, 7);

double result = 3 + math.pow(5, 7);

None of the JAVA instructions listed in the other given choices.

Consider the below JAVA code snippet:

String s1 = "10", s2 = "11";
System.out.println("s1" + s2);

The execution of the above code snippet would output to the screen:

1011

s111

None of the other listed outputs is correct.

In JAVA all variables in a program must be declared and initialized before being used. Otherwise,

a compile-time error will occur.

a run-time error will occur.

none of the errors in the other listed choices will occur.

Of the below statements, select the one(s) that is(are) true.

It is possible to execute a compiled JAVA program on a machine that does not have JDK installed.

JAVA JRE cannot be used to compile JAVA source files.

A JAVA file with extension .class is a JAVA program's source file.

All of the other listed statements are true.

Assuming that x and y are two pre-declared and initialized real variables, consider the below JAVA code snippet:

if (x > y) m = x;
else m = y;

The execution of the above code snippet shall:

output the maximum of x and y.

output the minimum of x and y.

output an error.

do none of the actions described in the other listed choices.