Notes

public class Test1
{
public static void main(String[] args)
{
int s1,s2;
s1=7;
s2=2;
System.out.println((double)s1/s2-2.5);
}



}

public class Test2
{
public static void main(String[] args)
{
int number;
number=40;
if (number % 2==1)
System.out.println("Sayı tek");
else
System.out.println("Sayı çift");


}



}

public class Test3
{
public static void main(String[] args)
{
int x=3;
int y=2;
if (x>2)
{
if (y>2)
{
int z=x+y;
System.out.println("z="+z);
}
else
System.out.println("x="+x);
}


}



}

import java.util.Scanner;
public class Test4
{
public static void main(String[] args)
{
Scanner klavye=new Scanner(System.in);
int i=1;
while (i<10)
{
if (i % 2==0)
System.out.print(i+"-");
System.out.print("*");
i++;
}


}



}


public class Test5
{
public static void main(String[] args)
{
int sayi=5;
float sonuc=fonk(sayi);
System.out.println("Sonuç="+sonuc);

}

public static float fonk(int x)
{
float s=1;
for(int i=1;i<=x;i++)

s=s*i;

return s;
}


}


public class Test6
{
public static void main(String[] args)
{
int[] dizi={3,7};
deg(dizi[0],dizi[1]);
System.out.println("dizi[0]="+dizi[0]);
System.out.println("dizi[1]="+dizi[1]);
}

public static void deg(int s1, int s2)
{
int gecici;
gecici=s1;
s1=s2;
s2=gecici;
}


}

public class Test7
{
public static void main(String[] args)
{
String str1="15";
String str2="60";
String str3;
str3=str1+str2;
System.out.println("Sonuç="+str3);
int s1=15;
int s2=60;
int s3;
s3=s1+s2;
System.out.println("Sonuç="+s3);


}




}


public class Test8
{
public static void main(String[] args)
{
String mesaj="MeSaJ";
System.out.println(mesaj);
System.out.println("ali");





}

//overload
//signature=imza
//override
//encapsulation=information hiding=sarmalama
//polymorhism
//inheritance
//constructor=kurucu
//getter=accessor
//setter=mutator



}