Question
1.What is the output of the following java code? String A = SCIENCE; System.out.println (A.substring (3, 5)); a.SCIE b.EN c.ENCE d.SC 2.Analysis the following class
1.What is the output of the following java code?
String A = SCIENCE; System.out.println (A.substring (3, 5));
a.SCIE
b.EN
c.ENCE
d.SC
2.Analysis the following class definition and answer the following question.
class Test{ double mark; void setMark (double m){ mark = m; } private double calTotal(){ return mark * 0.5; } void display(){ System.out.println(mark); }} |
.
What is data type of member variable?
a.No data type
b.public
c.double
d.void
3.Any entity that has properties and behavior is known as ______________
a.Program
b.Source
c.JVM
d.Object
4.Which is the correct format to declare one dimensional array to store 4 integer numbers in Java?
a.int n = new[4];
b.int n;
c.int[] n = new int[4];
d.int[4] n;
5_______ class can be used for user input in Java.
a.Scanner
b.io
c.Utility
d.method
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