Technical Interview Questions
No. It is not a valid java operator. No, &&= is not a valid Java operator. In Java, there is no &&= operator. The && operator is used for logical AND operations, but it is not combined with the assignment operator = in this manner. Valid examples of logical AND in Java include: java boolean … Read more
The elements of a CardLayout are stacked, one on top of the other, like a deck of cards. In Core Java, the elements of a CardLayout are organized in a stack-like fashion, where only one card is visible at a time. It’s like dealing a deck of cards where only the top card is visible, and you … Read more
setEditable(). In Core Java, the correct method to set a TextComponent (such as a TextField or TextArea) to the read-only state is setEditable(boolean). The setEditable(boolean) method allows you to control whether the text component is editable or not. If you pass false as an argument, it makes the text component read-only, preventing the user from … Read more
The purpose of the System class is to provide access to system resources. The System class in Java is a part of the java.lang package and serves several purposes. Some of the main purposes of the System class include: Standard Input/Output: The System class provides access to the standard input, output, and error streams through its in, … Read more
The only statements for which it makes sense to use a label are those statements that can enclose a break orcontinue statement. In Java, labels are used in conjunction with loops (such as for, while, and do-while) and conditional statements (if, else, and switch). Labels are identifiers followed by a colon and are used to mark a specific … Read more