Answer:
Define a function that accept a list as an argument. Save the length of the list as a variable and cast the list to a set and also save the length to a variable.
If the result of the subtraction of the set length from the list length is not equal to zero, then the list have duplicates.
Explanation:
A sample of the source code using Python,
def list_duplicate( list ):
list_len = len( list )
new_set = set( list )
set_len = len( new_set )
If list_len - set_len != 0 :
Print( " The list has duplicate " )
Answer: I think its the last one, there is often more than one right choice :)
Answer:
A.Treats array entries as if they were strings that have same length.
Explanation:
The radix sort treats the array values as the strings.First it compares the LSB(Least Significant Bit) of the array values and then moves to the right one by one upto MSB(Most Significant Bit).So we can say that the radix sort treats the entries of the array as strings and compare them.So the answer is option A.
Answer: In java the symbol "+" operator is used to perform string concatenation.
Explanation:
String concatenation refers to joining of two strings. So in java + is used to join strings which works provided one of the operands must be a String variable. Then it works by converting the other variable to String variable and joins the second operand to the end of the first operand.
An example of String concatenation is as follows:
int age = 10;
System.out.println("The boys age is " + age);
Output:
The boys age is 10.
here, the age is integer variable but as the phrase "The boys age is" is a String variable so it converts the age to String variable and joins both the Strings.
