StringBuilder greeting = new StringBuilder("Day 1");
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Using the above StringBuilder, create a setCharAt() method that will change the "1" to a "2" in the String"Day 1". Explain how the setCharAt() method operates.
What will be an ideal response?
greeting.setCharAt(4, '2');To alter just one character in a StringBuilder, you can use the setCharAt() method, which allows you to change a character at a specified position within a StringBuilder object. This method requires two arguments: an integer position and a character. In the phrase "Day 1", the greeting.setCharAt(4, '2'); changes the value 1 to 2.
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Which of the following is NOT recommended advice to protect your computer from malware?
A. Remove firewall software and hardware.
B. Disconnect your computer from the Internet before opening email attachments.
C. Close spyware windows.
D. Scan removable media before using.
You can use the Exists method to avoid the run time error that occurs when the computer cannot locate the file you want opened for input.
Answer the following statement true (T) or false (F)
These devices are associated with intrusion detection and protection.
What will be an ideal response?
What will be the outcome of the following query? SELECT initcap('HELLO WORLD') FROM dual;
A. Hello World B. hello world C. HELLO WORLD D. hello World