CET2025+
Flashcards for and by Computer Engineering Technician Students

Systems Security Final Test – Modules 15-22 (10%) April 15th. Virtual Systems Administration 20% online releases April 15 - Final assignment due April 21st ---- April 16th Systems Analysis Exam 25%! n ITE slot---- April 17th (Earth Day) IT Essentials Exam 25%! ---- April 22 Internet Programming Exam 35%

Code Snippets

Java Snippets

Base Structure

Class Declaration

public class MyClass {
    // code
}

Main Method

public static void main(String[] args) {
    // code
}

Constructor

public MyClass() {
    // initialization code
}

Instance Variable

public class MyClass {
    int myVar = 10;
}

Loops

For Loop

for(int i = 0; i < 10; i++) {
    System.out.println(i);
}

While Loop

int i = 0;
while(i < 10) {
    System.out.println(i);
    i++;
}

Do-While Loop

int i = 0;
do {
    System.out.println(i);
    i++;
} while(i < 10);

Enhanced For Loop

int[] numbers = {1, 2, 3};
for(int num : numbers) {
    System.out.println(num);
}

Decision Making

If-Else Statement

if (condition) {
    // code
} else {
    // code
}

Switch Statement

switch (value) {
    case 1:
        System.out.println("One");
        break;
    default:
        System.out.println("Other");
}

Ternary Operator

int result = (a > b) ? a : b;

Nested If

if (a > 0) {
    if (b > 0) {
        System.out.println("Both positive");
    }
}

Methods

Method Declaration

public void myMethod() {
    // code
}

Return Method

public int add(int a, int b) {
    return a + b;
}

Static Method

public static void print() {
    System.out.println("Hello");
}

Method with Parameters

public void greet(String name) {
    System.out.println("Hello, " + name);
}

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