String line = console.readLine()

String line = console.readLine()

StringTokenizer st = new StringTokenizer(line)

String line = console.readLine()

StringTokenizer st = new StringTokenizer(line)

st.hasMoreTokens()

String line = console.readLine()

StringTokenizer st = new StringTokenizer(line)

st.hasMoreTokens()

true

String line = console.readLine()

StringTokenizer st = new StringTokenizer(line)

st.hasMoreTokens()

true

String token = st.nextToken()

String line = console.readLine()

StringTokenizer st = new StringTokenizer(line)

st.hasMoreTokens()

true

String token = st.nextToken()

process the token somehow

String line = console.readLine()

StringTokenizer st = new StringTokenizer(line)

st.hasMoreTokens()

true

String token = st.nextToken()

process the token somehow

false

String line = console.readLine()

StringTokenizer st = new StringTokenizer(line)

st.hasMoreTokens()

true

String token = st.nextToken()

process the token somehow

false

String line = console.readLine()

StringTokenizer st = new StringTokenizer(line)

st.hasMoreTokens()

true

String token = st.nextToken()

process the token somehow

false

tokenizer is empty (but line is untouched)

String line = console.readLine()

StringTokenizer st = new StringTokenizer(line)

st.hasMoreTokens()

true

String token = st.nextToken()

process the token somehow

false

thus st = new StringTokenizer(line) allows us to reprocess the string (if we need to)

String line = console.readLine()

StringTokenizer st = new StringTokenizer(line)

st.hasMoreTokens()

true

String token = st.nextToken()

process the token somehow

false

thus st = new StringTokenizer(line) allows us to reprocess the string (if we need to)

String line = console.readLine()

StringTokenizer st = new StringTokenizer(line)

st.hasMoreTokens()

true

String token = st.nextToken()

process the token somehow

false

thus st = new StringTokenizer(line) allows us to reprocess the string (if we need to)

// sum is defined and initialized to zero outside

try {

int number = Integer.parseInt(token); sum = sum + number;

} catch (Exception e) {

System.out.println(token + “ not a number!”);

}