Instruments से मेमोरी लीकेज का पता लगाना

// MyObject.h
#import <Foundation/Foundation.h>
@class OtherObject;

@interface MyObject : NSObject
@property (strong, nonatomic) OtherObject *other; // Strong reference
- (instancetype)initWithName:(NSString *)name;
@end

// OtherObject.h
#import <Foundation/Foundation.h>
@class MyObject;

@interface OtherObject : NSObject
@property (strong, nonatomic) MyObject *my; // Strong reference
- (instancetype)initWithName:(NSString *)name;
@end

// MyObject.m
#import "MyObject.h"
#import "OtherObject.h"

@interface MyObject ()
@property (strong, nonatomic) NSString *name;
@end

@implementation MyObject
- (instancetype)initWithName:(NSString *)name {
    self = [super init];
    if (self) {
        _name = name;
        NSLog(@"MyObject %@ initialized", _name);
    }
    return self;
}

- (void)dealloc {
    NSLog(@"MyObject %@ deallocated", self.name);
}
@end

// OtherObject.m
#import "OtherObject.h"
#import "MyObject.h"

@interface OtherObject ()
@property (strong, nonatomic) NSString *name;
@end

@implementation OtherObject
- (instancetype)initWithName:(NSString *)name {
    self = [super init];
    if (self) {
        _name = name;
        NSLog(@"OtherObject %@ initialized", _name);
    }
    return self;
}

- (void)dealloc {
    NSLog(@"OtherObject %@ deallocated", self.name);
}
@end

// main.m
#import <Foundation/Foundation.h>
#import "MyObject.h"
#import "OtherObject.h"

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        NSLog(@"--- Starting Retain Cycle Demo ---");

        MyObject *obj1 = [[MyObject alloc] initWithName:@"Object 1"];
        OtherObject *obj2 = [[OtherObject alloc] initWithName:@"Object 2"];

        // Create a strong, circular reference
        obj1.other = obj2;
        obj2.my = obj1;

        NSLog(@"Objects created and linked. Notice no dealloc messages will appear.");
    }
    NSLog(@"--- Retain Cycle Demo Ended ---");
    return 0;
}

// MyObject.h
#import <Foundation/Foundation.h>
@class OtherObject;

@interface MyObject : NSObject
@property (strong, nonatomic) OtherObject *other;
- (instancetype)initWithName:(NSString *)name;
@end

// OtherObject.h (FIXED: Using 'weak')
#import <Foundation/Foundation.h>
@class MyObject;

@interface OtherObject : NSObject
@property (weak, nonatomic) MyObject *my; // Weak reference to break the cycle
- (instancetype)initWithName:(NSString *)name;
@end

// MyObject.m
#import "MyObject.h"
#import "OtherObject.h"

@interface MyObject ()
@property (strong, nonatomic) NSString *name;
@end

@implementation MyObject
- (instancetype)initWithName:(NSString *)name {
    self = [super init];
    if (self) {
        _name = name;
        NSLog(@"MyObject %@ initialized", _name);
    }
    return self;
}

- (void)dealloc {
    NSLog(@"MyObject %@ deallocated", self.name);
}
@end

// OtherObject.m
#import "OtherObject.h"
#import "MyObject.h"

@interface OtherObject ()
@property (strong, nonatomic) NSString *name;
@end

@implementation OtherObject
- (instancetype)initWithName:(NSString *)name {
    self = [super init];
    if (self) {
        _name = name;
        NSLog(@"OtherObject %@ initialized", _name);
    }
    return self;
}

- (void)dealloc {
    NSLog(@"OtherObject %@ deallocated", self.name);
}
@end

// main.m
#import <Foundation/Foundation.h>
#import "MyObject.h"
#import "OtherObject.h"

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        NSLog(@"--- Starting Fixed Cycle Demo ---");

        MyObject *obj1 = [[MyObject alloc] initWithName:@"Object 1"];
        OtherObject *obj2 = [[OtherObject alloc] initWithName:@"Object 2"];

        // Assign references. obj2 now has a weak ref to obj1.
        obj1.other = obj2;
        obj2.my = obj1;

        NSLog(@"Objects created and linked. Now dealloc messages should appear!");
    }
    NSLog(@"--- Fixed Cycle Demo Ended ---");
    return 0;
}