Explain the purpose of the IsNull function.
What will be an ideal response?
IsNull will determine if an expression is null or not, that is, it will be true if a field has no value assigned.
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Convert the decimal number to binary number.
Convert 20010 to binary
To ____ a value in a program means that the programmer puts a specific value in a program instead of a variable or parameter.
A. softcode B. encapsulate C. compile D. hardcode
To ensure that a heading is kept with its first paragraph of text on the same page use the ________ formatting
A) keep lines together B) Keep with next C) widow orphan D) transition
Which statements are most accurate regarding the following classes?
```
class A {
private int i;
protected int j;
}
class B extends A {
private int k;
protected int m;
// some methods omitted
}
```
a. In the class B, an instance method can only access i, j, k, m.
b. In the class B, an instance method can only access j, k, m.
c. In the class B, an instance method can only access j, m.
d. In the class B, an instance method can only access k, m.