java 16 interview questions and answers

The Reader/Writer class hierarchy is character-oriented, and the InputStream/OutputStream class hierarchy is byte-oriented. The main difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy in Java is the type of data they handle. Byte-oriented Streams (InputStream and OutputStream): These classes deal with raw binary data in the form of bytes. InputStream is used for reading byte-oriented data. … Read more

If a thread attempts to execute a synchronized method or synchronized statement and is unable to acquire an object’s lock, it enters the waiting state until the lock becomes available. In Java, when a thread attempts to acquire a lock on an object using the synchronized keyword or by using the Lock interface, and it … Read more

The fractional part of the result is truncated. This is known as rounding toward zero. In Java, rounding is performed towards zero under integer division. This means that the fractional part is simply truncated, and the result is the integer quotient without rounding up or down. For example, consider the following division: java int result … Read more

The FontMetrics class is used to define implementation-specific properties, such as ascent and descent, of aFont object. In Java, the Font class and the FontMetrics class are related but serve different purposes. Font Class: The Font class is part of the Java AWT (Abstract Window Toolkit) and is used for representing fonts. It defines a font face, size, … Read more

It is written x ? y : z. The correct syntax for the ternary operator in Java is: sql condition ? expression1 : expression2 So, in your case, the correct syntax is: yaml x ? y : z