package stackheap1;

import java.util.Arrays;

    public class StackHeap1{
    
	public static void main(String[] args)
	{
                Integer sayi1 = new Integer(7);
                Integer sayi2 = sayi1;
                sayi2++;
                System.out.println("sayi2 is " + sayi2);
                System.out.println("sayi1 is " + sayi1);
                
                Integer[] sayi1_array = new Integer[3];
                sayi1_array[0]=1;
                sayi1_array[1]=2;
                sayi1_array[2]=3;
                Integer[] sayi2_array = sayi1_array;
                sayi2_array[1]=10;
                
                System.out.println("sayi1_array is " + Arrays.toString(sayi1_array));
                System.out.println("sayi2_array is " + Arrays.toString(sayi2_array));
                
                int[] sayi3_array = {1,2,3};
                int[] sayi4_array = sayi3_array;
                sayi4_array[1]=20;
                
                System.out.println("sayi3_array is " + Arrays.toString(sayi3_array));
                System.out.println("sayi4_array is " + Arrays.toString(sayi4_array));
                
                String[] str1_array = {"aaa","bbb","ccc"};
                String[] str2_array = str1_array;
                str2_array[1]="zzz";
                
                System.out.println("str1_array is " + Arrays.toString(str1_array));
                System.out.println("str2_array is " + Arrays.toString(str2_array));
                
                StringBuilder sb1 = new StringBuilder("merhaba");
                StringBuilder sb2=sb1;
                sb2.setCharAt(1, 'z');
                System.out.println("sb2 is " + sb2);
                System.out.println("sb1 is " + sb1);
                
                StringBuilder str = new StringBuilder("JavaLanguage");
                StringBuilder str2=str;
                str2.append('A');
                System.out.println("str is " + str);
                System.out.println("str2 is " + str2);
	}
}