Groovy-3.流程控制

while(condition) { 
   statement #1 
   statement #2 
   ... 
}

for(variable declaration;expression;Increment) { 
   statement #1 
   statement #2 
   … 
}

for(variable in range) { 
   statement #1 
   statement #2 
   … 
}

if(condition) { 
   statement #1 
   statement #2 
   ... 
} else if(condition) { 
   statement #3 
   statement #4 
} else { 
   statement #5 
   statement #6 
}

switch(expression) { 
   case expression #1: 
   statement #1 
   ... 
   case expression #2: 
   statement #2
   ... 
   case expression #N: 
   statement #N 
   ... 
   default: 
   statement #Default 
   ... 
}