Computer Applications
A shopping website offers a special discount if the order ID has the sequence 555 anywhere in it. For example, 158545553031, 198555267140, ā¦. .
Fill in the blanks (a) and (b) in the given Java Method to convert the order ID (a long integer) into a string and check if the sequence 555 is present in it.
void checkOrder(long oid)
{
String str = _______(a)_________;
if(______(b)_______)
{
System.out.println("Special Discount Eligible: " + oid);
}
}
Java String Handling
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Answer
(a) String str = String.valueOf(oid);
(b) if (str.contains("555"))
Reason
To check if "555" appears in the order ID, we need to convert the long number into a String. String.valueOf(oid) correctly converts a long to a String. contains("555") checks if the substring "555" is present in str.
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Related Questions
The following code to compare two strings is compiled, the following syntax error was displayed ā incompatible types ā int cannot be converted to boolean.
Identify the statement which has the error and write the correct statement. Give the output of the program segment.
void calculate() { String a = "KING", b = "KINGDOM"; boolean x = a.compareTo(b); System.out.println(x); }Write a program in Java to enter any sentence. Also ask the user to enter a word. Print the number of times the word entered is present in the sentence. If the word is not present in the sentence, then print an appropriate message.
The output of the statement "talent".compareTo("genius") is:
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