Added code for java basics

This commit is contained in:
Mayank Agarwal
2023-02-03 00:57:35 +05:30
parent c518f76628
commit d09fb927ea
5 changed files with 119 additions and 0 deletions

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import java.util.*;
public class JavaContinue {
public static void main(String[] args) {
int i = 0;
while (i < 10) {
if (i == 5) {
break;
}
System.out.println(i);
i++;
}
}
public static void breakExample(String[] args) {
int[][] numbers = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
outer: for (int i = 0; i < numbers.length; i++) {
for (int j = 0; j < numbers[i].length; j++) {
if (numbers[i][j] == 5) {
System.out.println("Found 5 at index [" + i + "][" + j + "]");
break outer;
}
}
}
}
}

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import java.util.*;
public class JavaContinue {
public static void main(String[] args) {
for (int i = 1; i <= 10; i++) {
for (int j = 1; j <= 10; j++) {
if (j == 5) {
continue;
}
System.out.print(i * j + " ");
}
System.out.println();
}
}
public static void continueExample(String[] args) {
outer: for (int i = 1; i <= 10; i++) {
for (int j = 1; j <= 10; j++) {
if (j == 5) {
continue outer;
}
System.out.print(i * j + " ");
}
System.out.println();
}
}
}

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import java.util.*;
public class JavaForEachLoop {
public static void main(String[] args) {
int i = 0;
while (i < 5) {
System.out.println(i);
i++;
}
}
public static void doWhile() {
int i = 0;
do {
System.out.println(i);
i++;
} while (i < 5);
}
}

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import java.util.*;
public class JavaForEachLoop {
public static void main(String[] args) {
List<String> names = Arrays.asList("John", "Jane", "Bob");
for (String name : names) {
System.out.println(name);
}
}
public static void forEachLoop(String[] args) {
Map<String, Integer> ages = new HashMap<>();
ages.put("John", 25);
ages.put("Jane", 30);
ages.put("Bob", 35);
for (Map.Entry<String, Integer> entry : ages.entrySet()) {
System.out.println(entry.getKey() + " is " + entry.getValue() + " years old.");
}
}
}

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import java.util.*;
public class JavaForEachLoop {
public static void main(String[] args) {
int sum = 0;
for (int i = 0; i < 10; i++) {
sum += i+1;
}
System.out.println("The sum of numbers from 1 to 10 is: " + sum);
}
public static void forLoop(String[] args) {
int[] numbers = {1, 2, 3, 4, 5};
for (int i = 0; i < numbers.length; i++) {
System.out.println(numbers[i]);
}
}
}