System.out.println(5/2);

//Output result: 2

double num = 2.5 ;
        
switch(num){
    case 2.5:
        System.out.println("2.5");
        break;
                
    default:
        System.out.println("2.Other than 5");
        break;
}
//Compile error
//Incompatible type: irreversible conversion from double to int

for(int i=0;/*this part*/;i++){　
    System.out.print(i);
}
//Output result: 012345678910........ 

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