简单的例子:

Break离开了循环。

int m = 0;
for(int n = 0; n < 5; ++n){
  if(n == 2){
    break;
  }
  m++;
}

System.out.printl("m:"+m); // m:2

Continue将返回开始循环。

int m = 0;
for(int n = 0; n < 5; ++n){
  if(n == 2){
    continue; // Go back to start and dont execute m++
  }
  m++;
}

System.out.printl("m:"+m); // m:4

简单的程序，了解继续和中断之间的区别

当使用continue时

    public static void main(String[] args) {
    System.out.println("HelloWorld");
    for (int i = 0; i < 5; i++){
        System.out.println("Start For loop i = " + i);
        if(i==2){
            System.out.println("Inside if Statement for i = "+i);
           continue;
        }
        System.out.println("End For loop i = " + i);
    }
    System.out.println("Completely out of For loop");
}


OutPut:
HelloWorld
Start For loop i = 0
End For loop i = 0
Start For loop i = 1
End For loop i = 1
Start For loop i = 2
Inside if Statement for i = 2
Start For loop i = 3
End For loop i = 3
Start For loop i = 4
End For loop i = 4
Completely out of For loop

什么时候使用break

public static void main(String[] args) {
    System.out.println("HelloWorld");
    for (int i = 0; i < 5; i++){
        System.out.println("Start For loop i = " + i);
        if(i==2){
            System.out.println("Inside if Statement for i = "+i);
           break;
        }
        System.out.println("End For loop i = " + i);
    }
    System.out.println("Completely out of For loop");
}

Output:
HelloWorld
Start For loop i = 0
End For loop i = 0
Start For loop i = 1
End For loop i = 1
Start For loop i = 2
Inside if Statement for i = 2
Completely out of For loop

for (int i = 1; i <= 3; i++) {
        if (i == 2) {

            continue;
        }
        System.out.print("[i:" + i + "]");

在netbeans中尝试这段代码，您将理解break和continue之间的区别

for (int i = 1; i <= 3; i++) {
        if (i == 2) {

            break;
        }
        System.out.print("[i:" + i + "]");

System.out.println ("starting loop:");
for (int n = 0; n < 7; ++n)
{
    System.out.println ("in loop: " + n);
    if (n == 2) {
        continue;
    }
    System.out.println ("   survived first guard");
    if (n == 4) {
        break;
    }
    System.out.println ("   survived second guard");
    // continue at head of loop
}
// break out of loop
System.out.println ("end of loop or exit via break");

这将导致以下输出:

starting loop:
in loop: 0
    survived first guard
    survived second guard
in loop: 1
    survived first guard
    survived second guard
in loop: 2
in loop: 3
    survived first guard
    survived second guard
in loop: 4
    survived first guard
end of loop or exit via break

你可以标记一个块，不仅仅是一个for循环，然后从一个嵌套块到一个外部块。在少数情况下，这可能是有用的，但一般情况下，你会尽量避免这样的代码，除非程序的逻辑比下面的例子更好理解:

first:
for (int i = 0; i < 4; ++i) 
{
    second:
    for (int j = 0; j < 4; ++j) 
    {
        third:
        for (int k = 0; k < 4; ++k) 
        {
            System.out.println ("inner start: i+j+k " + (i + j + k));
            if (i + j + k == 5)
                continue third;
            if (i + j + k == 7)
                continue second;
            if (i + j + k == 8)
                break second;
            if (i + j + k == 9)
                break first;
            System.out.println ("inner stop:  i+j+k " + (i + j + k));
        }
    }       
}

因为它是可能的，但这并不意味着你应该使用它。

如果你想以一种有趣的方式混淆你的代码，你不选择一个有意义的名字，而是http:，并在它后面加上一个注释，看起来很陌生，就像源代码中的网络地址:

http://stackoverflow.com/questions/462373
for (int i = 0; i < 4; ++i) 
{
     if (i == 2) 
         break http;

我猜这是约书亚·布洛赫做的小测验。：）

break语句会导致它所应用的语句(switch、for、do或while)的终止。

continue语句用于结束当前循环迭代并将控制权返回给循环语句。

Break完全退出循环。Continue跳过Continue语句后面的语句并继续循环。