Java ans C computer programming for beginners: 2 BOOK IN ONE A practical beginners guide to learn Java and C programming, fundamentals and code by Norton Will

Author:Norton, Will [Norton, Will]
Language: eng
Format: epub
Published: 2020-12-17T16:00:00+00:00

Boot

A computer “boots” up when you turn it on and the term is derived from the phrase “pulling yourself up by your bootstraps”. When a computer is first switched on it must load everything it needs from its disks before it can be used but, to do this, there is a program it needs and this is called a bootstrap.

Bootstrap classes

A bootstrap class is part of the Java Platform Core API, like those from the java.io and java.lang packages.

Boundary error

A boundary error is one that happens as a result of a mistake happening at the edge of a problem, such as no items of data, indexing off an array edge, a loop termination and more. Boundary errors are very common logical errors.

Bounded repetition

Bounded repetition is where statements in the body of a loop get performed a certain number of times – the number of times is worked out when the loop begins. Java does not have any control structure that will guarantee bounded repetition.

Also see unbounded repetition

Bounds

A bound is the limit of a collection or array. In Java, a lower limit will always be zero and, where arrays are concerned, an upper bound will always be one less than the array length and it is fixed. When you index outside a collection or array bound, you will get an IndexOutOfBoundsException thrown.

Branch instruction

A branch instruction will store an instruction address in the counter for a program. The result is that the next instruction fetched may not be the one that immediately follows the branch instruction and this causes disruption in the normal sequence of instruction execution. The result of this is conditional instruction execution and repetition.

Break statement

A break statement is a statement for breaking out of a loop, a labeled block or a switch statement. In every case, control flow moves to the statement that immediately follows the block containing the statement.

Bridging method

A bridging method is one that provides a bridge between methods in a public interface for a class and the private implementation of that interface. Usually, bridging methods are non-public in terms of visibility.

Byte

A byte is, in computing terms, eight data bits. In Java, it is also a primitive data type with a size of eight bits.

Bytecode

The Java compiler translates Java source files into bytecode which is the instruction set of the JVM. All bytecode is stored in a .class file.

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