BSc IT - Structure Programming Methodology - Java

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How Pass array to function.

In Java, you can pass an array to a method (function) just like you pass any other variable. You don't need to pass each element one by one — just pass the array name (which is a reference to the array), and the method can access or modify its elements.

Example
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Explain break and Continue.

The break statement is used to immediately exit a loop (like for, while, or do-while) or a switch statement. As soon as break is encountered, the program stops the loop and continues with the next part of the code.
Example:

for (int i = 1; i <= 5; i++) {Continue reading →

Do while loop is called an exit controlled loop and While loop is called an entry controlled loop explain.

The do-while loop is called an exit-controlled loop, and the while loop is called an entry-controlled loop — this is because of when they check the condition.

###while loop (Entry-controlled):
- Checks the condition before entering the loop.
- If the condition is
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What is string ? what is substring ?

A String in Java is a sequence of characters used to represent text. It is one of the most commonly used data types and is used to store words, sentences, or any kind of textual information.

In
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What is a Program ? Discuss various levels of programming languages in detail.

A program is a set of instructions written in a programming language that tells a computer how to perform a specific task. These instructions are followed step-by-step by the computer to carry out operations like calculations, data processing, or controlling
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What is keyword in java ? with example.

In Java, a keyword is a reserved word that has a special meaning and purpose in the language. These words are part of the syntax and cannot be used as identifiers (like variable names, method names, or class names). Keywords tell the compiler how to interpret the code. For example, `class` is
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Why java is considered as platform independent language ? give steps of java program execution.

Java is considered platform-independent because a Java program can run on any operating system (like Windows, macOS, or Linux) without needing to be rewritten or recompiled for that specific platform. This is possible because Java code is not directly converted into machine code like in other
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What is the significance of JVM

The JVM (Java Virtual Machine) is the heart of Java’s power and popularity. Its main job is to run Java programs by converting the compiled Java bytecode into machine-specific instructions that your computer can understand.

#Significance of JVM:

1. Platform
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What is user-defined function ? Explain with Example.

A user-defined function in Java is a block of code that you, the programmer, write to perform a specific task. Unlike built-in functions (like `System.out.println()`), user-defined functions are created by you and can be used again and again in your program. You define them using a name, a
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Difference between equals() method and equality operator (==) in java ?

In Java, the == operator and the equals() method are both used to compare objects, but they work differently. The == operator checks if two references point to the same object in memory , meaning it compares the memory addresses . On the other hand, the equals() method checks if the
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