Web3j (core 4.8.2-SNAPSHOT API)

All Superinterfaces:

Batcher, Ethereum, Web3jRx

All Known Subinterfaces:

Admin

All Known Implementing Classes:

JsonRpc2_0Admin, JsonRpc2_0Web3j
```
public interface Web3j
extends Ethereum, Web3jRx, Batcher
```
JSON-RPC Request object building factory.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`static Web3j`	`build(Web3jService web3jService)`	Construct a new Web3j instance.
`static Web3j`	`build(Web3jService web3jService, long pollingInterval, java.util.concurrent.ScheduledExecutorService scheduledExecutorService)`	Construct a new Web3j instance.
`void`	`shutdown()`	Shutdowns a Web3j instance and closes opened resources.

Methods inherited from interface org.web3j.protocol.core.Batcher
newBatch

Methods inherited from interface org.web3j.protocol.core.Ethereum
adminAddPeer, adminDataDir, adminNodeInfo, adminPeers, adminRemovePeer, dbGetHex, dbGetString, dbPutHex, dbPutString, ethAccounts, ethBlockNumber, ethCall, ethChainId, ethCoinbase, ethCompileLLL, ethCompileSerpent, ethCompileSolidity, ethEstimateGas, ethGasPrice, ethGetBalance, ethGetBlockByHash, ethGetBlockByNumber, ethGetBlockTransactionCountByHash, ethGetBlockTransactionCountByNumber, ethGetCode, ethGetCompilers, ethGetFilterChanges, ethGetFilterLogs, ethGetLogs, ethGetStorageAt, ethGetTransactionByBlockHashAndIndex, ethGetTransactionByBlockNumberAndIndex, ethGetTransactionByHash, ethGetTransactionCount, ethGetTransactionReceipt, ethGetUncleByBlockHashAndIndex, ethGetUncleByBlockNumberAndIndex, ethGetUncleCountByBlockHash, ethGetUncleCountByBlockNumber, ethGetWork, ethHashrate, ethMining, ethNewBlockFilter, ethNewFilter, ethNewPendingTransactionFilter, ethProtocolVersion, ethSendRawTransaction, ethSendTransaction, ethSign, ethSubmitHashrate, ethSubmitWork, ethSyncing, ethUninstallFilter, netListening, netPeerCount, netVersion, shhAddToGroup, shhGetFilterChanges, shhGetMessages, shhHasIdentity, shhNewFilter, shhNewGroup, shhNewIdentity, shhPost, shhUninstallFilter, shhVersion, txPoolStatus, web3ClientVersion, web3Sha3

Methods inherited from interface org.web3j.protocol.rx.Web3jRx
blockFlowable, ethBlockHashFlowable, ethLogFlowable, ethPendingTransactionHashFlowable, logsNotifications, newHeadsNotifications, pendingTransactionFlowable, replayPastAndFutureBlocksFlowable, replayPastAndFutureTransactionsFlowable, replayPastBlocksFlowable, replayPastBlocksFlowable, replayPastBlocksFlowable, replayPastBlocksFlowable, replayPastTransactionsFlowable, replayPastTransactionsFlowable, transactionFlowable

- Method Detail
  - build
```
static Web3j build(Web3jService web3jService)
```
    Construct a new Web3j instance.
    
    Parameters:
    
    web3jService - web3j service instance - i.e. HTTP or IPC
    
    Returns:
    
    new Web3j instance
  - build
```
static Web3j build(Web3jService web3jService,
                   long pollingInterval,
                   java.util.concurrent.ScheduledExecutorService scheduledExecutorService)
```
    Construct a new Web3j instance.
    
    Parameters:
    
    web3jService - web3j service instance - i.e. HTTP or IPC
    
    pollingInterval - polling interval for responses from network nodes
    
    scheduledExecutorService - executor service to use for scheduled tasks. You are responsible for terminating this thread pool
    
    Returns:
    
    new Web3j instance
  - shutdown
```
void shutdown()
```
    Shutdowns a Web3j instance and closes opened resources.