I need an answer key for my practice questions
Question Description
9. Fill in the blanks below to enable us to pass a double array called dbx to a method
called heroWorship. Within the method, the array should be called vb.
boolean bbc = heroWorship( );
public boolean heroWorship( ) //signature of method
10. Assume the five values an integer array adc contains are: 34, 56, -102, 18, and 5.
What is the value of adc[1] ?
11. Using the adc array from #10 above, what would be the value of adc[3] + adc[4]?
12. Using the adc array from #10 above, what would be the value of adc[5] ?
13. Describe what the following code segment does:
for (int j = 0; j < b.length; j++)
b[j] = Math.abs( b[j] );
14. For the int array c = {1, 2, 3, 4}, what would be the output of the following code?
String ss = “>>>”;
int len = ss.length( );
for (int j = 0; j < len; j++)
ss+= c[j];
System.out.println(ss);
15. Write a loop that locates the first occurrence of a negative integer in an array, pg.
When the loop is finished, the variable indx should contain the index of the negative
number, or the length of the array if there were no negative numbers in the array.
16. String wc = “Whooping crane”;
String sp[] = wc.split(“oo”);
for(int j = 0; j < sp.length; j++)
{
System.out.println(sp[j]);
}
17. List the elements of String [ ]sArray = “fee fi fo ”.split(“\\s+”);.
18. List the elements of String [ ]sp = “One two”.split(“Q”);.
19. Using the split method, write code that will count all of the occurrences of “th”
(without regard to upper or lower case) in “The best THERE is is Barth”.
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