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Refactor Code (MemoryManagementAlgorithms): Pull Up Variable #4145

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Merged
merged 3 commits into from
Apr 12, 2023
Merged

Refactor Code (MemoryManagementAlgorithms): Pull Up Variable #4145

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092970c
refactor: pull up variable
ishhan Apr 6, 2023
29e96b9
chore: cleanup stale comments
ishhan Apr 6, 2023
97b6830
Merge branch 'master' into refactor/pull-up-variable
siriak Apr 12, 2023
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24 changes: 12 additions & 12 deletions src/main/java/com/thealgorithms/others/MemoryManagementAlgorithms.java
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Original file line number Diff line number Diff line change
Expand Up @@ -25,16 +25,25 @@ public abstract ArrayList<Integer> fitProcess(
int[] sizeOfBlocks,
int[] sizeOfProcesses
);

/**
* A constant value used to indicate that an allocation has not been made.
* This value is used as a sentinel value to represent that no allocation has been made
* when allocating space in an array or other data structure.
* The value is -255 and is marked as protected and final to ensure that it cannot be modified
* from outside the class and that its value remains consistent throughout the program execution.
*
* @author: Ishan Makadia (github.com/intrepid-ishan)
* @version: April 06, 2023
*/
protected static final int NO_ALLOCATION = -255;
}

/**
* @author Dekas Dimitrios
*/
class BestFitCPU extends MemoryManagementAlgorithms {

private static final int NO_ALLOCATION = -255; // if a process has been allocated in position -255,

// it means that it has not been actually allocated.

/**
* Method to find the maximum valued element of an array filled with
Expand Down Expand Up @@ -115,10 +124,6 @@ public ArrayList<Integer> fitProcess(
*/
class WorstFitCPU extends MemoryManagementAlgorithms {

private static final int NO_ALLOCATION = -255; // if a process has been allocated in position -255,

// it means that it has not been actually allocated.

/**
* Method to find the index of the memory block that is going to fit the
* given process based on the worst fit algorithm.
Expand Down Expand Up @@ -179,9 +184,6 @@ public ArrayList<Integer> fitProcess(
*/
class FirstFitCPU extends MemoryManagementAlgorithms {

private static final int NO_ALLOCATION = -255; // if a process has been allocated in position -255,

// it means that it has not been actually allocated.

/**
* Method to find the index of the memory block that is going to fit the
Expand Down Expand Up @@ -237,8 +239,6 @@ public ArrayList<Integer> fitProcess(
*/
class NextFit extends MemoryManagementAlgorithms {

private static final int NO_ALLOCATION = -255; // if a process has been allocated in position -255,
// it means that it has not been actually allocated.
private int counter = 0; // variable that keeps the position of the last registration into the memory

/**
Expand Down