public static void main(String args[]) { double - oth

/* Aufgabe1a.java */
/*
* @author Benjamin Kormann
*/
public class Aufgabe1a
{
public static void main(String args[])
{
double basis = Double.valueOf(args[0]).doubleValue();
int
exp
= Integer.valueOf(args[1]).intValue();
double res = 1;
for(int i = 0; i < Math.abs(exp); i++)
res *= basis;
if (exp < 0)
res = 1 / res;
System.out.println(res);
}
}
/* Aufgabe1b.java */
/*
* @author Benjamin Kormann
*/
public class Aufgabe1b
{
public static void main(String args[])
{
double x[] = { 1.0, 2.0, 3.0 };
System.out.print("Vektor x:\n( ");
for(int i = 0; i < x.length; i++)
{
System.out.print(x[i]);
if (i != x.length-1)
System.out.print(", ");
}
System.out.println(" )");
}
}
/* Aufgabe1c.java */
/*
* @author Benjamin Kormann
*/
public class Aufgabe1c
{
public static void main(String args[])
{
double m[][] = { { -1.0, -2.0, -3.0, 5.0 },
{ 0.0, 1.0, 0.0, 5.0 },
{ 1.0, 2.0, 3.0, 5.0 } };
System.out.println("Matrix M:");
for(int i = 0; i < m.length; i++)
{
System.out.print("( ");
for(int j = 0; j < m[i].length; j++)
{
System.out.print(m[i][j]);
if (j != m[i].length-1)
System.out.print(", ");
}
System.out.println(" )");
}
}
}
/* Aufgabe2.java */
/*
* @author Benjamin Kormann
*/
public class Aufgabe2
{
public static void main(String args[])
{
for(int i = -2; i < 3; i++)
{
try {
System.out.println(i + ": " + i/i);
}
catch(ArithmeticException e)
{
System.out.println("0: Division by zero");
}
}
}
}
/* Aufgabe3.java */
/*
* @author
*/
public class Aufgabe3
{
public static void main(String args[])
{
try
{
// Konvertieren
double x = Double.valueOf(args[0]).doubleValue();
double y = Double.valueOf(args[1]).doubleValue();
// Ausgabe der ueber die Befehlszeile eingegebenen
Zahlen
System.out.println("x = " + x);
System.out.println("y = " + y);
// Binaere Arithmetik
double z; z = x + y;
System.out.println("z
z = x - y;
System.out.println("z
z = x * y;
System.out.println("z
z = x / y;
System.out.println("z
mit den Operatoren + - * /
= x + y = " + z);
= x - y = " + z);
= x * y = " + z);
= x / y = " + z);
// Unaere Arithmetik mit Inkrement- / Dekrementoperator
Programmieren in Java
x++;
System.out.println("Nach x++: x = " + x);
y--;
System.out.println("Nach y--: y = " + y);
z = x++;
System.out.println("Nach z = x++: z = " + z + ", x = " +
x);
z = ++x;
System.out.println("Nach z = ++x: z = " + z + ", x = " +
x);
System.out.println("x = " + x);
System.out.println("y = " + y);
z = ++x + y--;
System.out.println("Nach z = ++x + y--: z = " + z + ", x
= " + x + " y = " + y);
System.out.println("x = " + x);
System.out.println("y = " + y);
z = x + y * ++y;
System.out.println("Nach z = x + y * ++y: z = " + z + ",
x = " + x + " y = " + y);
z = 1.0 / 0.0;
System.out.println("z = 1.0 / 0.0 = " + z);
z = -1.0 / 0.0;
System.out.println("z = -1.0 / 0.0 = " + z);
z = 0.0 / 0.0;
System.out.println("z = 0.0 / 0.0 = " + z);
z = -0.0 / 0.0;
System.out.println("z = -0.0 / 0.0 = " + z);
z = 1.0 / 0.0 + 2.0;
System.out.println("z = 1.0 / 0.0 + 2.0 = " + z);
z = -1.0 / 0.0 + 2.0;
System.out.println("z = -1.0 / 0.0 + 2.0 = " + z);
z = 0.0 / 0.0 + 2.0;
System.out.println("z = 0.0 / 0.0 + 2.0 = " + z);
z = -0.0 / 0.0 + 2.0;
System.out.println("z = -0.0 / 0.0 + 2.0 = " + z);
}
catch(Exception e)
{
System.out.println("Fehler bei der Eingabe: java a b");
System.out.println(e.getMessage());
}
}
}
/* IntDemo.java */
/*
* @author Benjamin Kormann
*/
public class IntDemo
{
public static void main(String args[])
{
int i = 0;
while(++i > 0)
{}
System.out.println("Ueberrascht???");
}
}