From df19be7620984a717b68aec6f25a475269412775 Mon Sep 17 00:00:00 2001
From: Ahsan-Siddiqi <ahsanhsiddiqi@gmail.com>
Date: Fri, 1 Nov 2024 14:44:21 -0400
Subject: [PATCH 1/2] Added Error Handling for Dividing by Zero
---
.project | 11 +++++++++++
.../algorithms/mathematics/Division.java | 15 +++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/.project b/.project
index 3cd55b5c..3fb1df01 100644
--- a/.project
+++ b/.project
@@ -14,4 +14,15 @@
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
+ <filteredResources>
+ <filter>
+ <id>1730486179290</id>
+ <name></name>
+ <type>30</type>
+ <matcher>
+ <id>org.eclipse.core.resources.regexFilterMatcher</id>
+ <arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+ </matcher>
+ </filter>
+ </filteredResources>
</projectDescription>
diff --git a/src/com/jwetherell/algorithms/mathematics/Division.java b/src/com/jwetherell/algorithms/mathematics/Division.java
index c133f741..4e4397dd 100644
--- a/src/com/jwetherell/algorithms/mathematics/Division.java
+++ b/src/com/jwetherell/algorithms/mathematics/Division.java
@@ -3,6 +3,9 @@
public class Division {
public static final long division(int a, int b) {
+ if (b == 0) {
+ throw new IllegalArgumentException("/ by zero");
+ }
long result = ((long) a) / ((long) b);
return result;
}
@@ -22,6 +25,9 @@ public static final long divisionUsingLoop(int a, int b) {
}
public static final long divisionUsingRecursion(int a, int b) {
+ if (b == 0) {
+ throw new IllegalArgumentException("/ by zero");
+ }
int absA = Math.abs(a);
int absB = Math.abs(b);
@@ -38,6 +44,9 @@ public static final long divisionUsingRecursion(int a, int b) {
}
public static final long divisionUsingMultiplication(int a, int b) {
+ if (b == 0) {
+ throw new IllegalArgumentException("/ by zero");
+ }
int absA = Math.abs(a);
int absB = Math.abs(b);
@@ -55,6 +64,9 @@ public static final long divisionUsingMultiplication(int a, int b) {
}
public static final long divisionUsingShift(int a, int b) {
+ if (b == 0) {
+ throw new IllegalArgumentException("/ by zero");
+ }
int absA = Math.abs(a);
int absB = Math.abs(b);
int tempA, tempB, counter;
@@ -76,6 +88,9 @@ public static final long divisionUsingShift(int a, int b) {
}
public static final long divisionUsingLogs(int a, int b) {
+ if (b == 0) {
+ throw new IllegalArgumentException("/ by zero");
+ }
long absA = Math.abs(a);
long absB = Math.abs(b);
double logBase10A = Math.log10(absA);
From a0a4573d7f93c5b41778f28d7381938e097f278c Mon Sep 17 00:00:00 2001
From: Ahsan-Siddiqi <ahsanhsiddiqi@gmail.com>
Date: Fri, 1 Nov 2024 14:55:59 -0400
Subject: [PATCH 2/2] Added Error Handling for Dividing by Zero
---
.../jwetherell/algorithms/mathematics/Division.java | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/com/jwetherell/algorithms/mathematics/Division.java b/src/com/jwetherell/algorithms/mathematics/Division.java
index 4e4397dd..79f9a605 100644
--- a/src/com/jwetherell/algorithms/mathematics/Division.java
+++ b/src/com/jwetherell/algorithms/mathematics/Division.java
@@ -3,6 +3,7 @@
public class Division {
public static final long division(int a, int b) {
+ // Error if divide by zero
if (b == 0) {
throw new IllegalArgumentException("/ by zero");
}
@@ -11,6 +12,11 @@ public static final long division(int a, int b) {
}
public static final long divisionUsingLoop(int a, int b) {
+ // Error if divide by zero
+ if (b == 0) {
+ throw new IllegalArgumentException("/ by zero");
+ }
+
int absA = Math.abs(a);
int absB = Math.abs(b);
@@ -25,6 +31,7 @@ public static final long divisionUsingLoop(int a, int b) {
}
public static final long divisionUsingRecursion(int a, int b) {
+ // Error if divide by zero
if (b == 0) {
throw new IllegalArgumentException("/ by zero");
}
@@ -44,6 +51,7 @@ public static final long divisionUsingRecursion(int a, int b) {
}
public static final long divisionUsingMultiplication(int a, int b) {
+ // Error if divide by zero
if (b == 0) {
throw new IllegalArgumentException("/ by zero");
}
@@ -64,6 +72,7 @@ public static final long divisionUsingMultiplication(int a, int b) {
}
public static final long divisionUsingShift(int a, int b) {
+ // Error if divide by zero
if (b == 0) {
throw new IllegalArgumentException("/ by zero");
}
@@ -88,6 +97,7 @@ public static final long divisionUsingShift(int a, int b) {
}
public static final long divisionUsingLogs(int a, int b) {
+ // Error if divide by zero
if (b == 0) {
throw new IllegalArgumentException("/ by zero");
}