public class Test{
public static void main(String args[]){
StringBuffer sBuffer = new StringBuffer("菜鸟教程官网：");
sBuffer.append("www");
sBuffer.append(".runoob");
sBuffer.append(".com");
System.out.println(sBuffer);
}
}

public class TestArray {
public static void main(String[] args) {
// 数组大小
int size = 10;
// 定义数组
double[] myList = new double[size];
myList[0] = 5.6;
myList[1] = 4.5;
myList[2] = 3.3;
myList[3] = 13.2;
myList[4] = 4.0;
myList[5] = 34.33;
myList[6] = 34.0;
myList[7] = 45.45;
myList[8] = 99.993;
myList[9] = 11123;
// 计算所有元素的总和
double total = 0;
for (int i = 0; i < size; i++) {
total += myList[i];
}
System.out.println("总和为： " + total);
}
}

public class TestArray {
public static void main(String[] args) {
double[] myList = {1.9, 2.9, 3.4, 3.5};

  // 打印所有数组元素  
  for (int i = 0; i < myList.length; i++) {  
     System.out.println(myList\[i\] + " ");  
  }  
  // 计算所有元素的总和  
  double total = 0;  
  for (int i = 0; i < myList.length; i++) {  
     total += myList\[i\];  
  }  
  System.out.println("Total is " + total);  
  // 查找最大元素  
  double max = myList\[0\];  
  for (int i = 1; i < myList.length; i++) {  
     if (myList\[i\] > max) max = myList\[i\];  
  }  
  System.out.println("Max is " + max);  

}
}

public class TestArray {
public static void main(String[] args) {
double[] myList = {1.9, 2.9, 3.4, 3.5};

  // 打印所有数组元素  
  for (double element: myList) {  
     System.out.println(element);  
  }  

}
}

public static void printArray(int[] array) {
for (int i = 0; i < array.length; i++) {
System.out.print(array[i] + " ");
}
}

public static int[] reverse(int[] list) {
int[] result = new int[list.length];

for (int i = 0, j = result.length - 1; i < list.length; i++, j--) {
result[j] = list[i];
}
return result;
}

String s[][] = new String[2][];
s[0] = new String[2];
s[1] = new String[3];
s[0][0] = new String("Good");
s[0][1] = new String("Luck");
s[1][0] = new String("to");
s[1][1] = new String("you");
s[1][2] = new String("!");