Input and Input Method download

Input and Input Method download

Package hello;

Import java. util. collections;

Public class Hello {

Public static void main (String [] args ){
// TODO Auto-generated method stub
System. out. println ("Hello World ");
Running in = new Processing (System. in );
System. out. println (in. nextLine ());
}

}

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Inputs: input.

 

Package hello;

Import java. util. collections;

Public class Hello {

Public static void main (String [] args ){
// TODO Auto-generated method stub
System. out. println ("hello ");
Running in = new Processing (System. in );
System. out. println ("echo:" + in. nextLine ());
}

}

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+: Concatenate two strings. One of them can be fixed, and the other can be similar to the input

 

Package hello;

Import java. util. collections;

Public class Hello {

Public static void main (String [] args ){
// TODO Auto-generated method stub
System. out. println ("hello ");
// Records in = new records (System. in );
// System. out. println ("echo:" + in. nextLine ());
System. out. println ("2 + 3 =" + 5 );
}

}

------------------------------------------------------------

+: Concatenate two strings, one of which is a string and the other is converted to a string for processing.

 

Package hello;

Import java. util. collections;

Public class Hello {

Public static void main (String [] args ){
// TODO Auto-generated method stub
System. out. println ("hello ");
// Records in = new records (System. in );
// System. out. println ("echo:" + in. nextLine ());
System. out. println ("2 + 3 =" + 5 );
System. out. println ("2 + 3 =" + 2 + 3 );
System. out. println ("2 + 3 =" + (2 + 3 ));
System. out. println (2 + 3 + "= 2 + 3 =" + (2 + 3 ));
}

}

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(): Calculate and change the priority.