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handle when divisor b is zero in all division methods in Division.Java #249

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This PR modifies all methods in Division.java to handle when the divisor, b is zero. This prevents potential runtime errors and improves the robustness of the code.

@UmForgotMyName
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after reviewing the code, each method in Division.java has a new if statement to throw an illegal argument error if the divisor b is zero.

@@ -3,11 +3,17 @@
public class Division {

public static final long division(int a, int b) {
if (b == 0) {
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catches if divisor b is 0

long result = ((long) a) / ((long) b);
return result;
}

public static final long divisionUsingLoop(int a, int b) {
if (b == 0) {
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catches if divisor b is 0

@@ -22,6 +28,9 @@ public static final long divisionUsingLoop(int a, int b) {
}

public static final long divisionUsingRecursion(int a, int b) {
if (b == 0) {
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catches if divisor b is 0

@@ -38,6 +47,9 @@ public static final long divisionUsingRecursion(int a, int b) {
}

public static final long divisionUsingMultiplication(int a, int b) {
if (b == 0) {
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catches if divisor b is 0

@@ -55,6 +67,9 @@ public static final long divisionUsingMultiplication(int a, int b) {
}

public static final long divisionUsingShift(int a, int b) {
if (b == 0) {
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catches if divisor b is 0

@@ -76,6 +91,9 @@ public static final long divisionUsingShift(int a, int b) {
}

public static final long divisionUsingLogs(int a, int b) {
if (b == 0) {
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catches if divisor b is 0

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