写出程序运行结果:1.class Vehicle {
public void drive() {
System.out.println("Vehicle: drive");
}
}
class Car extends Vehicle {
public void drive() {
System.out.println("Car: drive");
}
}
public class Test {
public static void main (String args []) {
Vehicle v;
Car c;
v = new Vehicle();
c = new Car();
v.drive();
c.drive();
v = c;
v.drive();
}
}
2. public class Mystery1 {
public static void main(String[] args)
{int row = 5, column;
while ( row >= 1 ) {
column = 1;
while ( column <= row ) {
System.out.print( row % 2 == 1 ? "<" : ">" );
++column;
}
--row;
System.out.println();
}
}
}
public void drive() {
System.out.println("Vehicle: drive");
}
}
class Car extends Vehicle {
public void drive() {
System.out.println("Car: drive");
}
}
public class Test {
public static void main (String args []) {
Vehicle v;
Car c;
v = new Vehicle();
c = new Car();
v.drive();
c.drive();
v = c;
v.drive();
}
}
2. public class Mystery1 {
public static void main(String[] args)
{int row = 5, column;
while ( row >= 1 ) {
column = 1;
while ( column <= row ) {
System.out.print( row % 2 == 1 ? "<" : ">" );
++column;
}
--row;
System.out.println();
}
}
}
Vehicle: drive
Car: drive
Car: drive2、
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>>
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